This collection consists of correspondence, clippings, and other items related to the New York Yankees' efforts to encourage state legislation (primarily the 1918 Lawson Bill) permitting Sunday baseball in New York state. Many of the letters are directed to Yankees president Jacob Ruppert by politicians responding to the club's letter asking, “Will you, if elected, favor an amendment of the Penal Code which will permit the citizens to enjoy professional base ball and other forms of harmless amusement on Sunday without resort to subterfuge” (quoted in 1917 October 31 letter from Abraham Solomon). There are also several letters to or from Yankees co-owner T. L. Huston. The Yankees coordinated their campaign with the Brooklyn Dodgers, and the collection also includes several items to and from Dodgers president Charles H. Ebbets. Formats include letters, telegrams, newspaper clippings, memorandums, and resolutions.