J. D. Passavant. Rafael von Urbino und sein Vater Giovanni Santi. 2, Leipzig, 1839, p. 176, under no. 114, states that the original portrait by Raphael is lost; mentions a version (possibly this one) as having been sold to a foreigner several years previously by Gaetano Capponi, Florence; notes another version by Alessandro Allori in the Uffizi, and a third, which he erroneously refers to as a fresco, in the Camuccini collection, Rome (now Northumberland collection, Alnwick Castle).
J.-D. Passavant. Raphael d'Urbin et son père Giovanni Santi. Paris, 1860, vol. 2, p. 146, under no. 107.
C.-E. de Liphart. Notice historique sur un tableau de Raphaël représentant Julien de Médicis duc de Nemours. Paris, 1867, pp. 1–16, describes going to see the picture at Brini's house with the grand duchess Maria Nikolaevna and recommending that she purchase it; notes that the painting was then on canvas pasted down on a thick panel, which was removed, along with some retouches, by the copyist and restorer Tricca; suggests that the inscription originally read "R.S.MDXIV"; identifies it as the original by Raphael.
Eugène Muntz. Raphaël: sa vie, son oeuvre et son temps. Paris, 1881, p. 559, prefers to have more information before agreeing with Liphart [see Ref. 1867] that this work is the original by Raphael; confuses the version by Bronzino in the Museo Mediceo, Florence, with the copy by Allori in the Uffizi [see Notes].
Eugène Muntz. Raphael: His Life, Works, and Times. London, 1882, p. 537.
J[oseph]. A[rcher]. Crowe and G[iovanni]. B[attista]. Cavalcaselle. Raphael: His Life and Works. 2, London, 1885, pp. 321–23, tentatively identify the MMA painting as a copy; mention the versions in the Uffizi and at Alnwick Castle, one in the Turin museum, and a variant hanging with the portraits in the passage between the Uffizi and the Pitti in Florence.
J[oseph]. A[rcher]. Crowe and G[iovanni]. B[attista]. Cavalcaselle. Raffaello: la sua vita e le sue opere. 3, Florence, 1891, pp. 4–5 [see Ref. Zeri and Gardner 1980], suggest either that it was painted under Raphael's supervision or that it is a faithful copy of Raphael's lost work, attributing it to Timoteo Viti.
Bernard Berenson. Letter to Isabella Stewart Gardner. June 23, 1905 [see Ref. Brown 1983], writes that he is not surprised at Gardner's decision not to buy this picture.
Isabella Stewart Gardner. Letter to Bernard Berenson. June 7, 1905 [see Ref. Brown 1983], turns down the opportunity to buy this painting.
Illustrated Catalogue of the Tenth Series of 100 Paintings by Old Masters. Paris, 1906, pp. 68–69, no. 56, ill. opp. p. 68, as the original by Raphael.
F. Wickhoff. Kunstgeschichtliche Anzeigen 3 (1906), p. 54 [see Ref. Zeri and Gardner 1980], calls it a copy, quoting a later concurring opinion of Liphart, who had earlier pronounced it to be the original [see Ref. 1867].
Oskar Fischel. "Porträts des Giuliano de' Medici, Herzogs von Nemours." Jahrbuch der königlich preuszischen Kunstsammlungen 28 (1907), pp. 121, 126–30, ill. opp. p. 126, as in the Huldschinsky collection, Berlin; attributes it to Raphael, calling the version in the Uffizi a copy after it; because of the view of the Castel Sant'Angelo, suggests a date of 1515, when Giuliano was made Captain of the Church.
Adolf Rosenberg and Georg Gronau. Raffael, des Meisters Gemälde. Stuttgart, 1908, pp. 239, 255, 259, 267, ill. p. 118, attribute it to Raphael; date it 1514/15.
Wilhelm Bode. Die Sammlung Oscar Huldschinsky. Frankfurt, 1909, pp. 6–7, 39, pl. 1, attributes it to Raphael and dates it 1514 or 1515; gives provenance information.
G. F. Young. The Medici. London, 1913, vol. 1, pp. 394–95, ill. (frontispiece), attributes it to Raphael and dates it 1516, probably just after Giuliano's return from France.
Henriette Mendelsohn. Das Werk der Dossi. Munich, 1914, p. 189, lists the Northumberland version of this portrait among works incorrectly attributed to Dosso, and tentatively identifies the MMA painting as the original by Raphael.
Adolf Rosenberg and Georg Gronau. Raffael, des Meisters Gemälde. 5th ed. Stuttgart, 1923, pp. 240–41, ill. p. 126 [see Ref. Zeri and Gardner 1980].
Royal Cortissoz. Personalities in Art. New York, 1925, pp. 66–69, 74, ill. opp. p. 68, identifies it as the original by Raphael.
[Oskar] F[ischel]. "Sammlungen." Kunstchronik und Kunstmarkt, n.s., 35 (May 16, 1925), pp. 116–17, ill., attributes it to Raphael but comments on its mediocre quality.
"Raphael's Giuliano Bought by Duveen." New York Times (May 6, 1925), p. 3, ill.
Seymour de Ricci. "Raphaël en Amérique." La Renaissance 9 (December 1926), pp. 1016, 1018, ill. p. 1015, attributes it to Raphael.
R. Galleria degli Uffizi: Catalogo dei dipinti. Florence, 1926, pp. 58–59, under no. 775, mentions it as the original by Raphael under the catalogue entry for the copy by Allori.
A[dolfo]. Venturi. "La pittura del cinquecento." Storia dell'arte italiana. 9, part 2, Milan, 1926, pp. 275–77, 279–80, fig. 212, attributes it to Raphael and dates it 1514 or 1515.
Vilhelm Wanscher. Raffaello Santi da Urbino, His Life and Works. London, 1926, p. 135, no. XXIV, attributes it to Penni, identifying it with the work mentioned by Bembo in a letter of April 19, 1516 [see Notes].
Bernard Berenson. Cable to Frick trustees. September 10, 1927 [see Ref. Brown 1983], attributes it to Raphael and states that it is in good condition.
Andrew W. Mellon. Letter to Helen Clay Frick. [1927?] [see Ref. Brown 1983], describes his reasons for returning the picture to Duveen.
Edward Fowles. Letter to Bernard Berenson. December 14, 1928 [see Ref. Brown 1983], writes that the picture is hanging in Bache's home and that he is pleased with it.
A Catalogue of Paintings in the Collection of Jules S. Bache. New York, 1929, unpaginated, ill., as by Raphael.
"J. S. Bache Acquires a $600,000 Raphael." New York Times (March 12, 1929), p. 3, ill.
August L. Mayer. "Die Sammlung Jules Bache in New-York." Pantheon 6 (December 1930), p. 541, ill. p. 538 (detail), attributes it to Raphael.
Raimond van Marle. "An Early Portrait of Giuliano de' Medici." International Studio 99 (May 1931), pp. 17–18, 84, ill., attributes it to Raphael and dates it 1515.
Lionello Venturi. Pitture italiane in America. Milan, 1931, unpaginated, pl. CCCXXXVI.
Bernhard Berenson. Italian Pictures of the Renaissance. Oxford, 1932, p. 481, lists it as by Raphael and dates it not later than 1516.
Carlo Gamba. Raphaël. Paris, 1932, p. 103, considers it the best of the copies after the original portrait by Raphael; does not believe that the view of the Castel Sant' Angelo was conceived by Raphael.
Lionello Venturi. "Sixteenth to Eighteenth Century." Italian Paintings in America. 3, New York, 1933, unpaginated, pl. 446, attributes it to Raphael and dates it 1514–15.
O[skar]. Fischel in Allgemeines Lexikon der bildenden Künstler. 29, Leipzig, 1935, p. 439, attributes it to Raphael and dates it about 1515; states that the view of the Castel Sant' Angelo was obviously a later addition.
Bernhard Berenson. Pitture italiane del rinascimento. Milan, 1936, p. 414.
A Catalogue of Paintings in the Bache Collection. under revision. New York, 1937, unpaginated, no. 13, ill., as by Raphael.
W[illiam]. E. Suida. Raphael. New York, 1941, pp. 25, 29, colorpl. 10 [2nd ed., 1948, pp. 18–19, 26, colorpl. 95], attributes it to Raphael and dates it 1514–15.
A Catalogue of Paintings in the Bache Collection. rev. ed. New York, 1943, unpaginated, no. 12, ill., as by Raphael.
Sergio Ortolani. Raffaello. 2nd ed. Bergamo, 1945, p. 59, dates it about 1514–15 and calls it probably the best copy after Raphael's original; notes that the view of the Castel San'Angelo must have been added by the copyist.
Richard C. Jebb. "The Classical Renaissance." Metropolitan Museum of Art Bulletin 5 (November 1946), p. 76, ill., attributes it to Raphael and dates it about 1515.
Millia Davenport. The Book of Costume. New York, 1948, vol. 2, p. 494, no. 1312, ill. (cropped).
Oskar Fischel. Raphael. London, 1948, vol. 1, pp. 114, 365, believes that the head and composition were designed by Raphael, but that the execution can only be attributed to a pupil such as Giulio Romano; notes that the inclusion of the view of the Castel Sant'Angelo is completely foreign to Raphael.
Carlo Gamba. Pittura umbra del rinascimento: Raffaello. Novara, 1949, p. LX, rejects it as the original by Raphael.
Adolfo Venturi. Raffaello. [Milan], 1952, p. 181 [see Ref. Langedijk 1983], attributes it to Raphael.
Ettore Camesasca. "I quadri." Tutta la pittura di Raffaello. 1, Milan, 1956, pp. 85–86, pl. 150A, includes it among works doubtfully attributed to Raphael.
Fernanda de' Maffei. "Il ritratto di Giuliano, fratello di Leone X, dipinto da Raffaello." L'arte, n.s., 24 (October–December 1959), pp. 317–21, 323–24 nn. 64, 66, ill., attributes it to Francesco Penni, calling it a copy after the original portrait by Raphael, which she identifies as a work in the collection of Zambrini di Vallescura, Canton Ticino.
S[ydney]. J. Freedberg. Painting of the High Renaissance in Rome and Florence. Cambridge, Mass., 1961, vol. 1, pp. 177–79; vol. 2, pl. 246 [rev. ed., New York, 1985, vol. 1, pp. 177–79; vol. 2, pl. 246], calls it a ruined work and attributes the design to Raphael but believes the execution was carried out mostly by an assistant, perhaps Penni; dates it late 1514; suggests that the landscape view may be due to the influence of Sebastiano del Piombo.
Oskar Fischel. Raphael. Berlin, 1962, p. 85.
Anna Maria Brizio in Enciclopedia universale dell'arte. 11, Venice, 1963, col. 241, lists it as a copy.
Pierluigi De Vecchi in L'opera completa di Raffaello. Milan, 1966, p. 109, no. 104, ill. [English ed., 1966], refers to it as one of several copies after the original.
Luitpold Dussler. Raffael: Kritisches Verzeichnis der Gemälde, Wandbilder und Bildteppiche. Munich, 1966, p. 53, no. 92, concurs with Maffei [see Ref. 1959] in attributing it to Penni, but disagrees with her identification of the painting in the Zambrini di Vallescura collection as the original by Raphael, calling it more probably an old copy.
"Collectors' Questions: A Young Medici." Country Life (April 6, 1967), p. 770, attributes it to Raphael in discussing a portrait of the same sitter in the collection of Jerome Pycha, Los Angeles.
Simona Lecchini Giovannoni. "Alcune proposte per l'attività ritrattistica di Alessandro Allori." Antichità viva 7, no. 1 (1968), p. 50, accepts it as the original by Raphael.
Alessandro Marabottini in "Raphael's Collaborators." The Complete Work of Raphael. New York, 1969, p. 284 n. 97, fig. 104 [Italian ed., 1968], calls it an anonymous copy after Raphael's lost original, rejecting the attribution to Giulio Romano [see Ref. Fischel 1948].
Luitpold Dussler. Raphael: A Critical Catalogue of his Pictures, Wall-Paintings, and Tapestries. London, 1971, p. 41, pl. 89.
S. J. Freedberg. Painting in Italy: 1500 to 1600. Harmondsworth, England, 1971, p. 470 n. 36, calls it possibly a replica from Raphael's workshop; incorrectly notes that what he identifies as the original has recently appeared on the New York art market.
John Pope-Hennessy. "What did Raphael Paint? [review of Dussler 1971]." Times Literary Supplement (June 11, 1971), p. ?, notes that x-ray photographs prove it to be a copy.
Burton B. Fredericksen and Federico Zeri. Census of Pre-Nineteenth-Century Italian Paintings in North American Public Collections. Cambridge, Mass., 1972, pp. 172, 515, 608, as a copy after Raphael.
John Walker. National Gallery of Art, Washington. New York, , p. 31, notes that this is one of the few pictures Andrew Mellon returned to a dealer.
Wilhelm Kelber. Raphael von Urbino: Leben und Werk. Stuttgart, 1979, p. 443, no. 85, pl. 85.
Federico Zeri with the assistance of Elizabeth E. Gardner. Italian Paintings: A Catalogue of the Collection of The Metropolitan Museum of Art, Sienese and Central Italian Schools. New York, 1980, pp. 78–80, pl. 112, discuss the various versions of the portrait, calling this one the finest and referring to it as a nearly contemporary copy; believe that all the details of the MMA composition were probably included in the original work.
Pier Luigi De Vecchi. Raffaello, la pittura. Florence, 1981, p. 259, ill., calls it a copy, possibly by Penni, of a Raphaelesque prototype.
Konrad Oberhuber. Raffaello. Milan, 1982, p. 202, no. 15, ill., calls it a copy after a lost original of 1513.
David Alan Brown. Raphael and America. Exh. cat., National Gallery of Art. Washington, 1983, pp. 29, 53, 88, 90–91, 95, 103 n. 173, p. 107 nn. 323–24, 326–28, 330–31, p. 108 n. 333, figs. 41, 42 (frontispiece from another edition of Ref. Young 1913), discusses how the picture was offered to both Gardner and Mellon, and also possibly to the Frick collection, before being acquired by Bache.
Roger Jones and Nicholas Penny. Raphael. New Haven, 1983, pp. 162–63, pl. 172, call it possibly a workshop version.
Karla Langedijk. The Portraits of the Medici, 15th–18th Centuries. 2, Florence, 1983, pp. 1047–51, 1059, no. 58, 6, ill., attributes it to Raphael's workshop, possibly by Penni; identifies it as the portrait mentioned by Bembo and also probably as the portrait mentioned by Vasari [see Notes]; catalogues all the known portraits of the sitter, including ten copies after this composition.
Paola Squellati Brizio in Raffaello a Firenze: dipinti e disegni delle collezioni fiorentine. Exh. cat., Palazzo Pitti. Florence, 1984, p. 233, fig. 107.
David Alan Brown. Andrea Solario. Milan, 1987, pp. 217, 255 n. 8, fig. 160.
Leopold D. Ettlinger and Helen S. Ettlinger. Raphael. Oxford, 1987, p. 188, refer to the lost original as a "state portrait".
Alessandro Ballarin. Dosso Dossi: la pittura a Ferrara negli anni del ducato di Alfonso I. Cittadella (Padua), 1994–95, vol. 2, fig. 438, dates the lost original about 1513.
Pierluigi De Vecchi. Raffaello: la mimesi, l'armonia e l'invenzione. Florence, 1995, p. 250.
Konrad Oberhuber. Raphael: The Paintings. Munich, 1999, p. 199.
Jane Bridgeman and Karen Watts. "Armour, Weapons and Dress in Four Paintings by Dosso Dossi." Apollo 151 (February 2000), p. 26 n. 23, identify the close-fitting cap worn underneath the hat as a "scuffiotto".
Corinna Höper. Raffael und die Folgen: Das Kunstwerk in Zeitaltern seiner graphischen Reproduzierbarkeit. Exh. cat., Staatsgalerie Stuttgart. Ostfildern-Ruit, 2001, p. 240, no. B24, calls it a copy after an original of 1513.
Everett Fahy in Art and Love in Renaissance Italy. Exh. cat., The Metropolitan Museum of Art. New York, 2008, p. 22, fig. 13.
Jürg Meyer zur Capellen. "The Roman Portraits, ca. 1508–1520." Raphael: A Critical Catalogue of His Paintings. 3, Landshut, 2008, pp. 14–16, 42, 46 n. 15, pp. 183–88, ill. pp. 81 (color), 184 (x-ray), 185, 187 (detail), argues that irregularities in the execution and pentimenti revealed in the x-ray argue against the painting being a copy although he is not certain it is the work referred to by Bembo and Vasari; assumes that it was the model for all the other copies, attributing the concept of the painting to Raphael and the execution to his workshop, probably with the participation of the master.
Brigitte Volk-Knüttel. Peter Candid (um 1548–1628): Gemälde—Zeichnungen—Druckgraphik. Berlin, 2010, p. 135, fig. 86, under no. G15, attributes it to Luca Penni.
Tom Henry and Paul Joannides in Late Raphael. Exh. cat., Museo Nacional del Prado. Madrid, 2012, pp. 262–66, 269, 287, 292, 294, no. 72, ill. (color), believe it to be a damaged original by Raphael with workshop assistance.