Author
Gale Research Company
2
Library of Congress. Classification Division
2
Library of Congress. Subject Cataloging Division
2
Gale Group
1
Gale Research Inc
1
Institut für Landeskunde (Bundesforschungsanstalt für Landeskunde und Raumforschung)
1
International Geographical Congress
1
International Geographical Union. Commission on Library Classification of Geographical Books and Maps
1
International Geographical Union. General Assembly
1
Library of Congress. Cataloging Distribution Service
1
Library of Congress. Cataloging Policy and Support Office
1