MoMA exhibition archive online
The Museum of Modern Art in New York has published an online digital archive of the exhibitions it has mounted since it was established in 1929. It is a searchable collection of documents including lists of works, catalogues, press releases, and photographs of installations. The PDF copies of catalogues—including many out-of-print collectibles—are wonderful.
There is a huge pile of important stuff there. Just dropping a few names: Charles Eames, Olivetti, Bernard Rudofsky, the young Philip Johnson, Edward Steichen…