Record of current educational publications / compiled by the Library Division of the Bureau of Education
1921, Dec. 22 - 1932, Jan.-Mar. - Washington : G.P.O. , 1922-. - (Bulletin / Department of the Interior, Bureau of Education ; 1921, no. 52, 1922, no. 21, 33, 46, 49, 1923, no. 32, 54, 1924, no. 27, 1925, no. 14, 1926, no. 15, 17, 21, 1927, no. 2, 12, 25, 38, 1928, no. 23, 1929, no. 24, 33, 37, 1930, no. 4, 15, 32, 1931, no. 3, 9, 16, 22, 1932, no. 4, 13)