Educational work of the Commercial Museum of Philadelphia /
Toothaker, Charles R. 1873-1952.
Educational work of the Commercial Museum of Philadelphia / by Charles R. Toothaker. - Washington : G.P.O., 1921. - 28 p., 12 p. of plates : ill. ; 23 cm. - Bulletin / Department of the Interior, Bureau of Education ; 1920, no. 13 . - Bulletin (United States. Bureau of Education) ; 1920, no. 13 .
Copy 1 bound with: Bulletin / United States. Bureau of Education, 1920, no. 14-1920, no. 23, subsequent to publication.
e 21000362
Commercial Museum (Philadelphia, Pa.)
L111 / .A6 1920, no. 13
Educational work of the Commercial Museum of Philadelphia / by Charles R. Toothaker. - Washington : G.P.O., 1921. - 28 p., 12 p. of plates : ill. ; 23 cm. - Bulletin / Department of the Interior, Bureau of Education ; 1920, no. 13 . - Bulletin (United States. Bureau of Education) ; 1920, no. 13 .
Copy 1 bound with: Bulletin / United States. Bureau of Education, 1920, no. 14-1920, no. 23, subsequent to publication.
e 21000362
Commercial Museum (Philadelphia, Pa.)
L111 / .A6 1920, no. 13