Includes manuscripts written as early as the 12 th century. Other references you should know about, but these are not needed for the assignment. Bowker-Saur, 1996., 3rd ed. Reference sources in science, engineering, medicine, and agriculture , H. Robert Malinowsky. It is also available via the web from 1983-Pres.
Older volumes are in the periodical stacks.
Indexes and abstracts articles going all the way back to the 1790 s.