F. Grossmann, Bruegel: the paintings, London 1955, nos. 147-151 (the painting in Naples, with analysis of the composition)
Erwin Richter, 'Die Pathologie bei Pieter Breughel d. A.', Forschungsfragen unserer Zeit, 1958, 5, Lief. 4, 131-134
Heinke Sudhoff, Ikonographische Untersuchungen zur 'Blindenheilung' und zum 'Blindensturz': ein Beitrag zu Pieter Bruegels Neapler Gemal̈de von 1568, PhD Inaugural-Dissertation, Bonn 1981 (Philosophische Fakultät der Rheinischen Friedrich-Wilhelms Universität)
Amy Orrock, Bruegel: defining a dynasty, London: Philip Wilson Publishers, 2017, pp. 35-38 ("The composition was copied faithfully at least four times early in the seventeenth century. One of these copies, in London's Wellcome Collection, is arguably the closest to Bruegel's original, with a similar colour palette of blue-grey figures against a verdant background and the same bare section of ground in the left foreground where other versions have vegetation")