The Standard-size series of the General Photographic Collection is the largest and most complex component of the photographic collections, containing an estimated 100,000 items, dating from the 1860s to the present. The geographic coverage and subject range of these images are very wide. The work of many individual New England photographers and photographic firms, such as William T. Clark, Baldwin Coolidge, Halliday Historic Photograph Company, Mary H. Northend, and Thomson & Thomson, are represented in this series. The collection includes many types of photographs, from albumen prints to modern gelatin silver prints. Source: Guide to the Library and Archives, 6.
