Consult the encyclopedia index for specific topics. Note this subject is further divided by time periods. Look up other general areas such as the Civil War, the Revolution, etc. Note the call no. American Decades b. Dictionaries and encyclopedias.
Periodicals are newspapers, magazines and journals.
To locate an article on your topic, consult an index located on the index tables. The index and microfilm start in the year 1851. All are located by the reference desk. Can search for historical information by timeline, names, subjects and places. This online database contains essays, biographies, primary documents and narratives.