http://dewey.info/scheme/edition/e23/ en
333.7 Land, recreational and wilderness areas, energy
333.709 Environmental geography
333.70941 Environment--Great Britain 333.70973 Environment--United States
http://dewey.info/scheme/edition/e22/ de
333.7 Landflächen, Naturräume für Freizeit und Erholung, Naturreservate, Energie
333.709 Umweltgeografie
333.70941 Umwelt—Großbritannien 333.70973 Umwelt—USA, . . .
Dewey Decimal Classification
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License by OCLC Online Computer Library Center, Inc. Permissions beyond the scope of this license may be available at here. All copyright rights in the Dewey Decimal Classification system are owned by OCLC. Dewey, Dewey Decimal Classification, DDC, OCLC and WebDewey are registered trademarks of OCLC.