The German American Historical Society. (1918). German American annals: Continuation of the quarterly Americana Germanica : a bi-monthly devoted to the comparative study of the historical, literary, linguistic, educational and commercial relations. The German American Historical Society.
Lua i Stíl Chicago (17ú heag.)The German American Historical Society. German American Annals: Continuation of the Quarterly Americana Germanica : A Bi-monthly Devoted to the Comparative Study of the Historical, Literary, Linguistic, Educational and Commercial Relations. Philadelphia [u.a.]: The German American Historical Society, 1918.
Lua MLA (8ú heag.)The German American Historical Society. German American Annals: Continuation of the Quarterly Americana Germanica : A Bi-monthly Devoted to the Comparative Study of the Historical, Literary, Linguistic, Educational and Commercial Relations. The German American Historical Society, 1918.