Limit by date range if at all possible as this will reduce the number of results exponentially.
Try combinations of search terms.
Be ready to execute multiple searches in order to get the results you are looking for.
Use specific search terms.
Remember to match the terminology to the time period or issue being discussed (i.e. searching the term "African-American" in 1920s newspaper will get you nowhere)
Search millions of photographs from the LIFE photo archive, stretching from the 1860s to today. Add "source:life" to any Google image search and search only the LIFE photo archive.
Newspaper city room of the Amsterdam News in Harlem.
Photographer: Hansel Mieth, 1938