The Labyrinth Resources for Medieval Studies. Medieval Music Database 8,200 Gregorian chants, indexed by word and melodic fragments. The American Chemical Society's buyer's guide for laboratory products and services. 1916 Highlights include the Spanish American War, fin de siecle New York, early Vaudeville capers, and the San Francisco earthquake in 1906.
Some translations are available as well.
BioTech Located at Indiana University at Bloomington, this searchable database currently contains concise definitions of more than 8200 terms in biology, biochemistry, biotechnology, botany, cell biology, and genetics. Also provides links to other specialized dictionaries and databases in the life sciences. An online introductory logic textbook. Also available to accompany the textbook are The Logic Daemon Proof Checker and The Logic QuizMaster . Use the Logic Daemon to enter logical proofs into a form and test the validity of your agrument or use the Quizmaster to test your knowledge of logic.