Summer sessions of city schools /
by W.S. Deffenbaugh.
- Washington : G.P.O., 1918.
- 45 p. ; 23 cm.
- Bulletin / Dept. of the Interior, Bureau of Education ; 1917, no. 45 .
Copies 1 and 2 of L111.A6 with: Public school system of San Francisco, California -- Preparation and the preservation of vegetables / Henrietta W. Calvin and Carrie A. Lyford -- Monthly record of current educational publications, November, 1917. Washington : Govt. Print. Off., 1917. Bound together subsequent to publication.