TY - BOOK T1 - Pioneering in ten communities A2 - Hanna, Paul Robert A2 - Quillen, Isaac James A2 - Potter, Gladis L. LA - English PP - Chicago u.a. PB - Scott, Foresman YR - 1940 UL - http://glotrec.wdi-staging.gei.de/cat/Record/gei638845211 KW - Schulbuch ER -