Images of Wadsworth House can be found in the following collections:
Photographic Views of Wadsworth House, 1858-1970 (Contains links to digitized images.)
Proof prints of engravings for The History of Harvard University, 1840 (Find It @ Archives). Engravings done by Eliza Quincy include one of Wadsworth House.
Records of the Office of News and Public Affairs: photographs,1913-1995 (inclusive),1943-1983 (bulk) (Find It @ Archives). Includes photographs of Wadsworth House, Harvard Alumni Center, 1950-1962, in UAV 605 Box 68.