Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Diffusion of innovations 15 Diffusion of innovations -- Databases. 1 Diffusion of innovations -- Economic aspects. 1 Diffusion of innovations -- History. 1 Diffusion of innovations -- United States -- Case studies. 1 Diffusion of language -- SEE: Language spread. 2 DiFillippo, Steve. 1 DiFool, John (Fictitious character) -- Comic books, strips, etc. 6 DiFranco, Ani. 1 Digby family. 2 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >