ABI/INFORM Complete contains: ABI/Inform Archive -Historical business journals ABI/Inform Dateline - Local and regional business ABI/Inform Global - Scholarly, comprehensive business research from periodicals worldwide
EconLit with Full Text Indexes articles in economics, including economic history, economic theory, microeconomics, macroeconomics, finance, production, welfare, inflation, accounting, international trade, consumer finance, political economy, and business credit.
History of Science Indexes journal articles, conference proceedings, books, book reviews, and dissertations in the history of science, technology, medicine, and allied historical fields.
Web of Science A great secondary database which can be used to identify sources by keyword or which can be used to identify work which cites items which you know to be relevant.
Periodicals Index Online A specialty index which includes references to thousands of periodicals in the humanities and social sciences from 1770 to 1995. It is especially strong for book reviews. The sister database Periodicals Archive Online contains full text of a substantial number of the articles.
JSTOR JSTOR is a collection of the full text contents of a broad range of academic journals (excluding the most recent years). Its broad coverage make it useful as a one stop shop for secondary literature though it is by no means comprehensive