00996cam a22002411a 4500 e 21000362 DLC 20260227111212.0 860419s1921 dcuaf f000 0 eng c e 21000362 (OCoLC)13458450 U.S. Off. of Educ. Library ABAU ABAU DLC premarc L111 .A6 1920, no. 13 Toothaker, Charles R. (Charles Robinson), 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 Copy 1 bound with: Bulletin / United States. Bureau of Education, 1920, no. 14-1920, no. 23, subsequent to publication. Commercial Museum (Philadelphia, Pa.) Bulletin (United States. Bureau of Education) ; 1920, no. 13 20454 20454