Bulletin / Department of the Interior, Bureau of Education ; 1913, no. 1, 5, 10-11, 15, 21, 33, 37, 45, 53; 1914, no. 1, 3, 7, 9, 11, 21, 26, 41-42; 1915, no. 2-3, 9-10, 14, 16, 34, 40, 46, 49; 1916, no. 4, 7, 9, 11, 13, 22, 24, 31, 36; 1917, no. 1, 7, 12-13, 21, 28, 40, 42, 48, 52; 1918, no. 1, 4, 8, 12, 14, 20, 33-34, 39, 42; 1919, no. 1, 11, 14, 23, 34, 42, 60, 67, 75, 83; 1920, no. 2, 5-6, 14, 15, 17, 25, 32, 38, 45; 1921, no. 1, 3-4, 23, 29, 49