text Washington The National Council for the social studies 1948 ind xv, 299 hlm ilus 24 cm editor, Clyde. Kohn Geografi 20090227024813.0 YOGYA-02090000033644 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)