Because language changes, be sure to use search terms used at the time the materials were created, even if those terms are now obsolete. For example, the following historic terms will produce more results than their modern-day counterparts:
Modern Usage vs. Historic Usage comparison table | |
Modern Usage | Historic Usage |
gas, service station | filling station |
African American | Afro American, Negro |
voting rights | suffrage |
From:Chronicling of America-(The Library of Congress) - http://chroniclingamerica.loc.gov/help/
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