The Georgian Print Room, “The Zograscope,” n.d.

C. J. Kaldenbach, “Perspective Views,” Print Quarterly 2 (March 1985): 87–105, now available at Kees Kaldenbach’s own website.

Jan Koenderink, Maarten Wijntjes, and Andrea van Doorn. “Zograscopic Viewing.” I-Perception 4 (May 2013): 192–206.

Julie Melby, “Printmakers’ Abbreviations,” Graphic Arts: A Princeton University Library Blog (6 February 2009).

Roderick Conway Morris, “Treading the Earth with a Heavenly Cargo,” The New York Times (19 October 2007).

Museo della Stampa Remondini, in Bassano.

The Print Shop Window Archive, “‘Good Objects for the Optic Machine’: Zograscopes and Perspective Prints,”  (24 September 2012).

Derry & Raphoe Diocesan Library Project Blog, “Remondini Decorative Paper”  (21 January 2011).