Europeana Collections provides access to over 50 million digitized items – books, music, artworks and more – with sophisticated search and filter tools to help you find what you’re looking for. Also included are thematic collections on art, fashion, music, natural history, photography and World War I with related galleries, blogs and exhibitions.
"AIGA remains the oldest and largest professional membership organization for design and is now known simply as “AIGA, the professional association for design.”
Free database of architectural images from UC Berkeley's Architecture Slide Library. Search with terms like "plans" or "plan views" in the "Subject Or Object Type" field.