Educational achievements of one-teacher and of larger rural schools /
by Timon Covert.
- Washington : U.S. G.P.O., 1928.
- v, 23 p. : ill. ; 23 cm.
- Bulletin / Department of the Interior, Bureau of Education ; 1928, no. 15 .
- Bulletin (United States. Bureau of Education) ; 1928, no. 15 .