The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
New York City. Columbia University. Library. Pictorial Company. John Wallace Gillies. No. 5
New York City. The Library of Columbia University. Alfred Mainzer. C. T. Art Colortone
Library and Main Approach to Columbia University. New York City. 19131. Habermans
Columbia University Area with Seth Low Memorial Library and Riverside Church. New York City. Crocker. B. Hopkins
New York City. Columbia University. Barnard College. Postage Stamp Machine. Brooklyn. New York. Curteichcolor. 1988
Butler Library. Ferris Booth Hall and New Hall. Columbia University. New York. 1973
South Hall. Columbia University. New York City. Art Colortone
Hamilton Hall. Hartley and Livingston Dormitories from South Field. Columbia University. New York City. 19144. Habermans