STEWART, Cameron. "Summoned to the eternal field": an inquiry into the development and the composition of the Abraham Lincoln Brigade in the Spanish Civil War, 1936-1939. Thesis (Ph.D.). Claremont : Claremont Graduate School and University Center, 1971. 7

STEWART, Cameron. "Summoned to the eternal field": an inquiry into the development and the composition of the Abraham Lincoln Brigade in the Spanish Civil War, 1936-1939. Thesis (Ph.D.). Claremont : Claremont Graduate School and University Center, 1971. 794 p.