Author : Pennsylvania. Dept. of Public Instruction
Publisher :
Page : 36 pages
File Size : 34,77 MB
Release : 1920
Category : Children
ISBN :
Author : Pennsylvania
Publisher :
Page : 76 pages
File Size : 32,12 MB
Release : 1922
Category : Child labor
ISBN :
Author :
Publisher :
Page : 1556 pages
File Size : 43,71 MB
Release : 1925
Category : Child welfare
ISBN :
Author : United States. Division of Vocational Education
Publisher :
Page : 478 pages
File Size : 26,2 MB
Release : 1924
Category : Vocational education
ISBN :
Author : United States. Children's Bureau
Publisher :
Page : 1146 pages
File Size : 20,48 MB
Release : 1915
Category : Child welfare
ISBN :
Author :
Publisher :
Page : 168 pages
File Size : 47,27 MB
Release : 1925
Category :
ISBN :
Author :
Publisher :
Page : 1348 pages
File Size : 26,59 MB
Release : 1925
Category : Child labor
ISBN :
Author : Pennsylvania. Dept. of Public Instruction
Publisher :
Page : 80 pages
File Size : 22,82 MB
Release : 1928
Category : Child labor
ISBN :
Author : Carnegie Library of Pittsburgh
Publisher :
Page : 710 pages
File Size : 36,4 MB
Release : 1924
Category : Classified catalogs (Dewey decimal)
ISBN :
Author : United States. Division of Vocational Education
Publisher :
Page : 1242 pages
File Size : 27,9 MB
Release : 1939
Category : Vocational education
ISBN :
