No. 13339. Public domain photograph of stereoscopic card, free to use, no copyright restrictions image - Picryl description
H38927 U.S. Copyright Office. No. 1302. Public domain photograph of a landmark building, world heritage site, stereoscopic card, free to use, no copyright restrictions image - Picryl description
Interior view of room showing two men seated amongst artillary shells. H38927 U.S. Copyright Office. No. B.1302. Copyright 1903 by T.W. Ingersoll.