51. Procedure. Announcement, May 19, 1920 [concerning procedure of board in hearings and in settling disputes brought before it]. Bookmark Corporate/Agency Authors: Railroad Labor Board Publisher: Railroad Labor Board Date: [1920]
52. Transportation act, 1920 (public no. 152, 66th Congress), excerpt showing title 3, Disputes between carriers and their employees and subordinate officials, effective Feb. 28, 1920. Bookmark Corporate/Agency Authors: Railroad Labor Board Publisher: Railroad Labor Board Date: [no publisher, 1920]