(various publishers), 1917-1942. Pamphlet. Monthly publication, typically 16 pages plus printed wrappers. Thirty-four issues; years present include 1917 (1 issue), 1918 (1), 1919 (1), 1920 (1), 1922 (3), 1923 (1), 1924 (1), 1925 (2), 1927 (3), 1928 (2), 1941 (9), and 1942 (9). Very good to near fine in staple-bound.....