Hendrickson, Kenneth E., Jr. "The Socialists of Reading, Pennsylvania, and World War 1: A Question of Loyalty." in Pennsylvania History., 430-450.(1969).

A study of Reading's leading Socialist, state dynamic state legislator James Maurer, and of how Socialists won control of Reading city government in the 1920s despite their persecution during World War 1.

Referenced in:
Pennsylvania Politics 1865-1930.