Our reference directory includes selected reference websites relating to archives, libraries, education, book and magazines, encyclopedia, museums, FAQs and knowledge management.
American Botanist Booksellers Specializes in out-of-print books on agriculture, horticulture, olericulture and their history. http://www.amerbot.com/
Antiquar & Buchhandlung Gerhard Renner Old and new, rare and out of print science books. Specialising in mathematics, astronomy, history and philosophy of science, issuing yearly catalogues. http://www.antiquariat-renner.de/
Significant Books Specialize in science and technology, especially mathematics. 2000 plus books on the web. We also have an active book search service. http://www.significantbooks.com/
