945.09 1900–
945.092 Zeit als Republik, 1946–
945.0924 1946–1949 945.0925 1950–1959 945.0926 1960–1969 945.0927 1970–1979 945.0928 1980–1989 945.0929 1990–1999
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.