Dimond, S. E., & Pflieger, E. F. (1969). Our American government: Teacher's introduction and answer key ([Annotated ed.].). J. B. Lippincott Co..

Dimond, Stanley E., and Elmer F. Pflieger. Our American Government: Teacher's Introduction and Answer Key. [Annotated ed.]. Philadelphia: J. B. Lippincott Co., 1969.

Dimond, Stanley E., and Elmer F. Pflieger. Our American Government: Teacher's Introduction and Answer Key. [Annotated ed.]. J. B. Lippincott Co., 1969.