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.
BIOGRAPHY INDEX
PAPER: SEP 1955+
ON INDEX TABLE: REF CT100/B56
ROLLING STONE
ACADEMIC SEARCH PREMIER
PAPER: 1 YR + CURRENT YR
SPORTS ILLUSTRATED
ACADEMIC SEARCH PREMIER
PAPER: 6 MONTHS + CURRENT MONTH
TIME
ACADEMIC SEARCH PREMIER
PAPER: 6 MONTHS + CURRENT MONTH
BOUND VOLUMES THIRD FLOOR: 1941-1949
STACKS: 1950-1969, APR-JUN 1976
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.