Stansky, P., & Abrahams, W. M. (1966). Journey to the frontier: Two roads to the Spanish Civil War ([1st American ed.].). Little, Brown & Company.

Stansky, Peter, and William Miller Abrahams. Journey to the Frontier: Two Roads to the Spanish Civil War. [1st American ed.]. Boston: Little, Brown & Company, 1966.

Stansky, Peter, and William Miller Abrahams. Journey to the Frontier: Two Roads to the Spanish Civil War. [1st American ed.]. Little, Brown & Company, 1966.