Jacques Seligmann. Letter to Mrs. George Blumenthal. January 30, 1917, attributes it to Pedro de Aponte, a 15th century painter from Saragossa; notes that it was ordered from the artist by "el Senor de Siguiès," and comes from a church, although "nobody would allow me to say from what church".
Stella Rubinstein-Bloch. "Paintings—Early Schools." Catalogue of the Collection of George and Florence Blumenthal. 1, Paris, 1926, unpaginated, as Spanish, School of Jaime Huguet; finds similarities with other works attributed to Huguet, such as the triptych of Saint George (Kaiser Friedrich Museum, Berlin), the Adoration of the Magi (Vich Museum), and the Santa Julita altarpiece (San Quirse de Tarrassa).
Chandler Rathfon Post. "The Aragonese School in the Late Middle Ages." A History of Spanish Painting. 8, Cambridge, Mass., 1941, part 2, pp. 402, 404, fig. 182, attributes it to the Morata Master and calls it his only known treatment of the Madonna and Child; notes that the Castilian inscriptions beneath each compartment establish the Aragonese rather than Catalan origin of this retable; observes that in most of the figures, the Morata Master "renounces his easily detected eccentricities and appears only as a normal, provincial imitator of Huguet" although there are "enough specimens of his hatchet-faced countenances to establish the attribution with surety"; describes the Virgin in the principal compartment as "an austere example of the Master's neurotic leanings".
Antoni José i Pitarch. Letter to Dulce Roman. January 14, 1998, dates it 1445–50 and calls it evidently an Aragonese work, though he cannot give an exact attribution; places it somewhere between the workshops of the Morata Master and Tomás Giner, finding the drawing of the figures in the central panel more energetic than the work of the Morata Master; observes a clear relationship between our panel of the Coronation of the Virgin and the retable of Saints Michael and Anthony Abbot in the Museum of Fine Arts, Boston [attributed to Martín de Soria, active 1450–87].
Antoni José i Pitarch. Letter to Dulce Román. January 14, 1998, attributes it to an Aragonese artist between 1445 and 1450, somewhere between the workshop of the Master of Morata and the workshop of Tomás Giner.