Description: The choice to create duplicate copies of collection material is often made for both preservation and access considerations. For some media, such as audiovisual materials, digitization is preservation. For fragile or actively deteriorating paper and photographic collections, a digital surrogate can be made to preserve the content and provide a stable copy for
Description: [caption id="" align="alignright" width="215" caption="Belle Grove, rear, White Castle vic., Iberville Parish, Louisiana, by Frances Benjamin Johnston, 1938, Library of Congress, Prints and Photographs Division, Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print."][/caption] Oooo—a pretty resource I’ve not come across before. The Carnegie Survey of the Architecture