The Wisconsin Historical Society has digitized portions of the William Proxmire Papers as well as other Proxmire materials found in the library and is available online as the Senator William H. Proxmire Collection. The collection offers more than 7,500 pages of manuscripts, press releases, newsletters, photographs, articles, interviews, books and correspondence selected from the Proxmire papers and all 40 oral history interviews. When possible, links to the online content from Mss 738 have been made in the contents list of this register.
