The Keystone View Company was active from 1892 and 1963 and recorded global diversity and the key moments of history. The Keystone-Mast archive of 350,000 items is housed at the University of California Riverside in the California Museum of Photography (UCR -CMP) and is claimed to be the largest collection of stereoscopic prints and negatives in the world.Preparing biographies | | |
Images from the Keystone-Mast Collection http://www.cmp.ucr.edu This contains the archive of the Keystone View Company of Meadville, PA (active from 1892-1963) and houses 350,000 items of which there are digitized images for about 18,000 images and searcxhable records for 24,000. (April 2010)
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