Derwent Innovations Index (Web of Science) Description: The Derwent Innovations Index resource searches patent and citation inventions in chemical, electrical, electronic, and mechanical engineering. Provided by Georgia State University Library More Info Express Link for Derwent Innovations Index (Web of Science) × Express Link Copy
Digital Public Library of America Description: Historical photographs, manuscripts, books, sounds, moving images, and more More Info Express Link for Digital Public Library of America × Express Link Copy
