The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
2nd Floor Congressional Library. Washington D. C. B. Hopkins
Congressional Library. Washington. D. C. 2385. I. an M. Ottenheimer. 1918
Grand Stairway in the Congressional Library. Washington. D. C. W9. Illust. Post Card
Congressional Library. Washington. D. C. I. M. Ottenheimer. 109
Interior Views. Library of Congress Washington. D. C. Multi view. w. B. Garrison
The National Capitol. From the Air with the Congressional Library in Background. Washington. D. C. Alfred Mainzer. RP
Washington. Library of Congress. Washington Monument. American Souvenir Card. Patriographic. Multi View
D. C. Washington. Library of Congress. B. S. Reynolds
