Bertram Township, Linn County, Iowa
[es] Municipio de Bertram
[eu] Bertram udalerria, Linn konderria (Iowa)
[fr] Bertram Township (Iowa)
[vi] Xã Bertram, Quận Linn, Iowa
[zh] 伯特倫鎮區 (愛荷華州林縣)