A selective annotated bibliography of about 27.000 primary sources and secondary works. Ref Z 6203 P19 Paetow, Louis J. A Guide to the Study of Medieval History. 1931. A supplement to Paetow. Some may even provide full text articles or newspaper stories. The indexes in the General section are online, via the Library Home Page in the section Electronic Indexes and Databases.
Abstracts offer a short summary of the article cited.
General Indexes 18. Abstracts and some full text. Full text to 800 titles. Covers 12,500 journal titles. This massive database contains the holdings of most major US libraries.