Formerly LexisNexis. Full text access to news, business, and legal sources, including federal and state court cases from 1790-present.
Note that these are primary sources in the humanities/history sense of the word, not in the sciences sense; for scientific primary sources, look to an article database.
A database containing chemical safety information, produced through cooperation between the International Programme on Chemical Safety (IPCS) and the Canadian Centre for Occupational Health and Safety (CCOHS).