Kammala wannan jumla: Liebel ya kasance wakili a majalisa biyar na Democratic National Convention. Na farko, yayin da magajin garin Erie, shi ne 1908 Democratic National Convention biye da 1912, da kuma
Yarjejeniyar 1916 a matsayin memba na Majalisar Wakilai ta Amurka. Ya ci gaba da halartar Babban Taro a matsayin wakili bayan ya bar ofishin da aka zaɓa, yana halartar Babban Taro na 1920, da 1924.