The above link will help you differentiate between primary and secondary resources. You should strive to reference primary resources when making your own inferences on a subject. Secondary sources can be used to compare or contrast your findings.
BOOK REVIEW DIGEST
PAPER: 1940+ IN REFERENCE SECTION: REF Z 1219 .C95
MODERN LANGUAGE JOURNAL
PAPER: 1 YR + CURRENT YR
MICROFICHE: SPRING 1985 - 2003
READER'S GUIDE TO PERIODICAL LITERATURE
PAPER: MAR 1957+ (IN STORAGE, 1939 - FEB 1957)
ON INDEX TABLE: REF AI 3 .R48
WORLD LITERATURE TODAY
MICROFICHE: WINTER 1985 - 1999
WRITER - THE PIONEER MAGAZINE FOR LITERARY WORKERS
MICROFICHE: 1985 - 1999
Not all periodical publications are created equal. Scholarly publications are peer-reviewed and should be your first choice for accurate and in-depth information. The above link will help you select appropriate periodical sources.