1. Code of Federal regulations of United States having general applicability and legal effect, in force June 1, 1938: [v. 7, book 1 and 2]; title 26, Internal revenue. Bookmark Corporate/Agency Authors: Federal Register Division, National Archives, and Maritime Labor Board Publisher: Federal Register Division Date: 1st edition. 1939 SuDoc number: AE 2.8:7/bk.1, 2