A series of papers, three of which, reprinted from the Arena, were published with two articles by Judge Walter Clark, as Senate documents 205, 54th Congress, 1st session. The whole series was printed as Senate document 65, 56th Congress, 1st session, containing fourteen articles as they appeared in the Arena, and three more dealing with objections. cf. Pref.
Microform. Chicago, Library Resources, 1972. 1 microfiche ; 8 x 13 cm. Reduction ratio varies. (Library of American civilization).