Getting better at collaging isn't merely getting better at using search tools, of course. Knowing *what* to search for is even more important, especially given the constraints of only using public domain/CC sources. The Library of Congress is a wellspring of visual material, but its own search tool is sadly lacking; however, Kagi's image search comes to the rescue again, thanks to the "site:loc.gov" flag, which restricts results to the LoC.
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