Professional staff of state departments of education /
by Arthur Wesley Ferguson.
- Washington : G.P.O., 1925.
- iv, 64 p. ; 23 cm.
- Bulletin / Department of the Interior, Bureau of Education ; 1925, no. 17 .
- Bulletin (United States. Bureau of Education) ; 1925, no. 17 .
Published also as thesis (Ph. D.), University of Pennsylvania, 1925.