Engraving after calotype negative by Hill and Adamson.
Stevenson, Sara. The Personal Art of David Octavius Hill. New Haven: Yale University Press, 2002. no. 2 (calotype, alt)
Monro, George. Scottish Art and National Encouragement: Containing a View of Interesting Controversies, and Transactions During the Last Twenty-Seven Years, Relative to Art in Scotland. Edinburgh: Blackwood, 1846. Engraved by D O Hill, frontis of Sir William Allan from a calotype.
National Galleries Scotland Lithograph: accession number: PGP HA 5398 Original Calotype: accession number: PGP HA 32