Gurewich 1957, p. 358 but the same detail is seen in the early 5th-century ivory box with scenes of the passion in the British Museum Gurewich, Vladimir (1957). "Observations on the Iconography of the Wound in Christ's Side, with Special Reference to Its Position". Journal of the Warburg and Courtauld Institutes. 20 (3/4). Warburg Institute: 358–362. doi:10.2307/750787. JSTOR50787. S2CID192284546.
van Eck 1993, pp. 224–228. van Eck, Xander (1993). "From Doubt to Conviction: Clandestine Catholic Churches as Patrons of Dutch Caravaggesque Painting". Simiolus: Netherlands Quarterly for the History of Art. 22 (4): 217–234. doi:10.2307/3780813. ISSN0037-5411. JSTOR3780813.
Gurewich 1957, p. 362. Gurewich, Vladimir (1957). "Observations on the Iconography of the Wound in Christ's Side, with Special Reference to Its Position". Journal of the Warburg and Courtauld Institutes. 20 (3/4). Warburg Institute: 358–362. doi:10.2307/750787. JSTOR50787. S2CID192284546.
Butterfield 1992, p. 232 and notes. Butterfield, Andrew (April 1992). "Verrocchio's Christ and St Thomas: Chronology, Iconography and Political Context". The Burlington Magazine. Vol. 134, no. 1069. pp. 225–233. JSTOR885119.
Gurewich 1957, p. 358 but the same detail is seen in the early 5th-century ivory box with scenes of the passion in the British Museum Gurewich, Vladimir (1957). "Observations on the Iconography of the Wound in Christ's Side, with Special Reference to Its Position". Journal of the Warburg and Courtauld Institutes. 20 (3/4). Warburg Institute: 358–362. doi:10.2307/750787. JSTOR50787. S2CID192284546.
Pickard 1916, p. 413. Pickard, John (August 1916). "The Doubting Thomas: The Bronze Group by Andrea del Verrocchio'". The American Magazine of Art. 7 (10): 410–414. JSTOR20559503.
van Eck 1993, pp. 224–228. van Eck, Xander (1993). "From Doubt to Conviction: Clandestine Catholic Churches as Patrons of Dutch Caravaggesque Painting". Simiolus: Netherlands Quarterly for the History of Art. 22 (4): 217–234. doi:10.2307/3780813. ISSN0037-5411. JSTOR3780813.
Gurewich 1957, p. 362. Gurewich, Vladimir (1957). "Observations on the Iconography of the Wound in Christ's Side, with Special Reference to Its Position". Journal of the Warburg and Courtauld Institutes. 20 (3/4). Warburg Institute: 358–362. doi:10.2307/750787. JSTOR50787. S2CID192284546.
O'Rahilly 1938, p. 191. O'Rahilly, Alfred (June 1938). "The Stigmata of Saint Francis". Studies: An Irish Quarterly Review. 27 (106). Irish Province of the Society of Jesus: 177–198. JSTOR30097539.
Gurewich 1957, p. 358 but the same detail is seen in the early 5th-century ivory box with scenes of the passion in the British Museum Gurewich, Vladimir (1957). "Observations on the Iconography of the Wound in Christ's Side, with Special Reference to Its Position". Journal of the Warburg and Courtauld Institutes. 20 (3/4). Warburg Institute: 358–362. doi:10.2307/750787. JSTOR50787. S2CID192284546.
Gurewich 1957, p. 362. Gurewich, Vladimir (1957). "Observations on the Iconography of the Wound in Christ's Side, with Special Reference to Its Position". Journal of the Warburg and Courtauld Institutes. 20 (3/4). Warburg Institute: 358–362. doi:10.2307/750787. JSTOR50787. S2CID192284546.
van Eck 1993, pp. 224–228. van Eck, Xander (1993). "From Doubt to Conviction: Clandestine Catholic Churches as Patrons of Dutch Caravaggesque Painting". Simiolus: Netherlands Quarterly for the History of Art. 22 (4): 217–234. doi:10.2307/3780813. ISSN0037-5411. JSTOR3780813.