DK 91 - Geographie = U.D.C. 91 - Geography =C.D. 91 - Géographie
By: by E. Meynen.
Contributors: International Geographical Union. Commission on the Classification of Geographical Books and Maps in Libraries.
Publisher: Bundesanstalt für Landeskunde
Published: 1956
Place of publication: Remagen, West Germany
Language: ger
Number of pages: 90
Notes: At head of title: International Geographical Union Commission on the Classification of Books and Maps in Libraries.

"Ninth General Assembly and Eighteenth International Geographical Congress, Rio de Janeiro, August 9-18, 1956."

"Proposal for a revision of the group U.D.C. 91 Geography. Compiled in behalf of the Commission on the Classification of Books and Maps in Libraries."