List of references on the popular election of senators : with appendix : Debates on the election of senators in the Federal convention of 1787 /

Washington : G.P.O., 1904

List of references on primary elections : particularly direct primaries /

Washington : G.P.O., 1905

List of references on the popular election of senators;

Washington, Govt. print. off., 1904

Select list of references on corrupt practices in elections.

Washington, Govt. print. off., 1908