TY - BOOK AU - Perry,Clarence Arthur TI - School extension statistics T2 - Bulletin / Dept. of the Interior, Bureau of Education AV - L111 .A6 1917, no. 30 PY - 1917/// CY - Washington PB - G.P.O. KW - School facilities KW - Extended use KW - United States KW - Statistics KW - Community centers N1 - Copies 1 and 2 of L111.A6 with: Practice teaching for teachers in secondary schools / United States, Bureau of Education. Washington : Govt. Print. Off., 1917. Bound together subsequent to publication; Includes bibliographical references ER -