Brophy, W. J., Chudacoff, H. P., Escott, P. D., Katzman, D. M., Norton, M. B., Paterson, T. G., & Tuttle, W. M. (1984). A People and A Nation. A History of the United States. Study Guide. Boston, Massachussetts US: Houghton Mifflin Company.

Brophy, William J., Howard P. Chudacoff, Paul D. Escott, David M. Katzman, Mary Beth Norton, Thomas G. Paterson, and William M. Tuttle. A People and A Nation. A History of the United States. Study Guide. Boston, Massachussetts US: Houghton Mifflin Company, 1984.

Brophy, William J., et al. A People and A Nation. A History of the United States. Study Guide. Boston, Massachussetts US: Houghton Mifflin Company, 1984.