Brewer, L. A. History of Linn County Iowa From Its Earliest Settlement to the Present Time [1911].
Chicago-referens (17:e uppl.)Brewer, Luther Albertus. History of Linn County Iowa From Its Earliest Settlement to the Present Time [1911].
MLA-referens (9:e uppl.)Brewer, Luther Albertus. History of Linn County Iowa From Its Earliest Settlement to the Present Time [1911].
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.