Imogen Cunningham: John Butler, Painter. 1912, Vintage platinum print, 9.375 x 7.25 in. (238 x 184 mm), on original multiple paper mount, titled in photographer's hand, with Seattle and Green Street labels on reverse of mount., Flora Huntlely Maschmedt in Wilson's Photographic Magazine, "Imogen Cunningham- An Appreciation" Vol LI, No. 3 March 1914, p 113. P1010j.