The first and second world wars. War backgrounds edition of Western civilization - Tschan, Francis Joseph 1881- .; Grimm, Harold John 1901- jt aut.; Squires, James Duane 1904- jt. aut.; Langsam, Walter Consuelo 1906- ed. (Chicago J. B. Lippincott, 1943)
Chapters 41-46 of the authors' Western civilization.
Keywords: European War -- 1914-1918.; World War -- 1939-.; Europe -- History -- 1914-.