Bureau of Internal Revenue Cumulative Bulletin XI-1 (1932)

Bureau of Internal Revenue Cumulative Bulletin VIII-1 (1929)

Bureau of Internal Revenue Cumulative Bulletin VIII-2 (1929)

Bureau of Internal Revenue Cumulative Bulletin VII-1 (1928)

Bureau of Internal Revenue Cumulative Bulletin XII-2 (1933)

Bureau of Internal Revenue Cumulative Bulletin VII-2 (1928)

Bureau of Internal Revenue Cumulative Bulletin IX-2 (1930)

Bureau of Internal Revenue Cumulative Bulletin X-1 (1931)

Bureau of Internal Revenue Cumulative Bulletin X-2 (1931)

Bureau of Internal Revenue Cumulative Bulletin XII-1 (1933)

Bureau of Internal Revenue Cumulative Bulletin XIII-1 (1934)

Bureau of Internal Revenue Cumulative Bulletin XV-1 (1936)

Bureau of Internal Revenue Cumulative Bulletin 1942-1

Bureau of Internal Revenue Cumulative Bulletin 1939-1 Part 1

Bureau of Internal Revenue Cumulative Bulletin 1940-1

Bureau of Internal Revenue Cumulative Bulletin 1941-1

Bureau of Internal Revenue Cumulative Bulletin 1941-2

Bureau of Internal Revenue Cumulative Bulletin 1937-1

Bureau of Internal Revenue Cumulative Bulletin 1938-2

Bureau of Internal Revenue Cumulative Bulletin 1947-1