National Science Digital Library (NSDL) Topic List based on GEM This schema defines a simpleType which enumerates the allowable values for the GEM subjects. Topic List created by Diane Hillmann 2002-09-10 based on http://search.thegateway.org/ (via http://www.geminfo.org/) Updated 2003-10-02 Naomi Dushay: version 1.01.000 - corrected Integrating Tehcnology inTO the Classroom Updated 2003-09-04 Naomi Dushay: version 1.00.002 - added Social studies, History, Economics, Anthropology, parent topic comments Updated 2003-08-07 Naomi Dushay: version 1.00.001 - added Psychology Updated 2002-09-27 Naomi Dushay: version 1.00.000 Updated 2002-09-24 Naomi Dushay: corrected targetNamespace Updated 2002-09-17 Naomi Dushay: added version attribute to schema, changed targetNamespace to correspond to naming convention XML Schema created by Naomi Dushay 2002-09-10