Anna Atkins at the Fraenkel Gallery
http://fraenkelgallery.com/exhibitions/anna-atkins-victorian-photograms-ca-1850
The Science and Society Picture Library (SSPL)
http://www.scienceandsociety.co.uk/results.asp
Ocean Flowers: Anna Atkins’s Cyanotypes of British Algae, New York Public Library Digital Gallery
http://digitalgallery.nypl.org/nypldigital/explore/dgexplore.cfm?col_id=188