Find Images in Print
Consider searching periodicals and books for photographic images, but especially drawings. In addition, texts may provide context to the projects in a way that image catalogs with stand-alone images do not.
Periodicals
Avery Index to Architectural Periodicals
The Avery Index to Architectural Periodicals provides a comprehensive listing of journal articles published worldwide on architecture and design, archaeology, city planning, historic preservation, interior design, landscape architecture, and urban planning. Over 2500 publications are indexed, including scholarly and popular literature, professional association publications, US state and regional periodicals, and major publications on architecture and design of Europe, Asia, Latin America, and Australia.
Books
HOLLIS is the library catalog for Harvard University. It contains records for millions of books, journals, manuscripts, government documents, maps, microforms, music scores, sound recordings, visual materials, data files, and more.
Consider searching for books on your topic -- building types, designers -- because the nature of publications in the design fields often do include illustrations -- photographs and drawings.