Indexes

• UNITED PUBLISHERS LTD . 1
• United States Chess Association 5
• United States Departament of Agriculture (Waszyngton). Library 1
• United States Departament of Agriculture (Waszyngton). Ofice of Publications 1
• United States Department of Agriculture 1
• United States Department of the Interior Fish and Wildlife Service 1
• United States Government Printing Office. 3
• United States Information Service. 1
• United States. Information Service (Manila) 1
• Universidad de Buenos Aires 1
• Universidad de Chile (Santiago, Chile) 1
• Universidad de Salamanca 1
• Universidad Nacional 1
• Universidad Nacional de La Plata 1
• Universidade do Parana 1
• Universit~:at Leipzig 1
• Universit~:at Rostock 24
• Universit~atsbibliothek Jena 1
• Universita Cattolica del Sacro Cuore 1
• Università Cattolica del Sacro Cuore 9