Explication des ouvrages de peinture et de sculpture exposés dans les salles de la Mairie au profit des pauvres. Exh. cat., Hôtel de Ville. Saintes, 1863, p. 6, no. 97, calls it "Ruisseau, vallée de Fontcouverte; étude" (possibly this work) [Courbet annotated this entry "à Auguin" in his personal copy of the catalogue, now in the Bibliothèque Nationale, Paris, fig. 56 in Bonniot 1973].
George Sakier. "La Peinture française du XIXe siècle au 'Metropolitan Museum of Art' de New-York." L'Amour de l'art 7 (June 1926), p. 203, ill. p. 200, calls it "Mare dans la vallée".
Camille Gronkowski. "L'exposition Courbet." Le Figaro artistique (May 2, 1929), p. 481, calls it "L'Etang dans la vallée" and notes its loan to Paris 1929.
Five Centuries of European Painting. Exh. cat., Arkansas Arts Center. Little Rock, 1963, p. 43, ill., dates it "sometime between 1851 and 1856" and suggests that it was painted near Fontainebleau; observes the influence of Barbizon painting.
Charles Sterling and Margaretta M. Salinger. French Paintings: A Catalogue of the Collection of The Metropolitan Museum of Art. Vol. 2, XIX Century. New York, 1966, pp. 109–10, ill., date it between 1851 and 1856; suggest that it was painted at Fontainebleau or in the vicinity of Le Blanc (Indre).
Roger Bonniot. Gustave Courbet en Saintonge, 1862–1863. Paris, 1973, p. 172 n. 17, fig. 56, mentions "Ruisseau, Vallée de Fontcouverte" and reproduces excerpts from Saintes 1863, including no. 97 (possibly this work).
Robert Fernier. La vie et l'oeuvre de Gustave Courbet. Vol. 1, Peintures, 1819–1865. Lausanne, 1977, pp. 188–89, no. 325, ill., calls it "Ruisseau, vallée de Fontcouverte" or "L'Étang dans la clairière" and dates it 1862; identifies the first owner as Auguin and states that it was included in Saintes 1863 (but mistakenly identifies it as no. 113 in the exhibition, rather than no. 97).
Pierre Courthion. L'opera completa di Courbet. Milan, 1985, p. 90, no. 312, ill.
Petra ten-Doesschate Chu. The Most Arrogant Man in France: Gustave Courbet and the Nineteenth-Century Media Culture. Princeton, 2007, p. 147, fig. 110, states that it was probably painted in the Saintonge region and that it was once owned by Auguin.
Jean-Roger Soubiran in Autour de Courbet en Saintonge. Exh. cat., Musée de l'Échevinage, Saintes. [Bordeaux], 2007, pp. 58, 94, 110, mentions "Ruisseau, vallée de Fontcouverte; étude" (see Saintes 1863), noting that it was a gift from the artist to Auguin (possibly this work).