Montana Department of Public Instruc

• Montana Educational Directory; 1935-1936
• Montana Educational Directory; 1917-1918
• Montana Educational Directory; 1921-1922
• Montana Educational Directory; 1922-1923
• Montana Educational Directory; 1923-1924
• Montana Educational Directory; 1924-1925
• Montana Educational Directory; 1927-1928
• Montana Educational Directory; 1931-1932
• Montana Educational Directory; 1934-1935
• Montana Educational Directory; 1937-1938
• Montana Educational Directory; 1940-1941
• Montana Educational Directory; 1941-1942