A photograph of the first meeting for the Minnesota Potato Growers held in St. Paul Minnesota on August 10, 1919. The man marked with the red "x" is J. Oscar Serline of Kanabec County.
A large group photograph of the Minnesota County Commissioners and Auditors at the Twin City Babcock Conference of April 8 and April 9, 1920. In the second row beginning at the sixth person is Alfred Sanders, J. Oscar Serline, Ed Peterson and W. Monson.