Adam Bartsch, Le peintre graveur, Würzburg, 1920-1922, vol. 18, Guido Reni no. 53 (as by G. Reni)
Giovanni Pietro Bellori, The lives of Annibale & Agostino Carracci, translated by Catherine Enggass University Park, Pennsylvania, 1968, p. 13 ("Annibale completed another work for the Scuola di San Rocco in the City of Reggio, distinguished twofold in history by the great renown of the etching of the Almsgiving by the same Guido")
Evelina Borea e Ginevra Mariani, Annibale Carracci e i suoi incisori, Roma 1986, no. XXVII.1, p. 65
Veronika Birke, Italian masters of the sixteenth and seventeenth centuries, The illustrated Bartsch, New York: Abaris Books, 1982, 4003.049 S2 (as by F. Brizio)