Kölner Zoo

Cologne

Opened 1860

ca.1958

1960

1961

1962

1964

1966

1968

1971

1975

1980

1985

1988

1990

1992

1993

1995

1998

#2005 (1st ed.)

Aquarium guides

#1971 (1st ed.)

#1974 (2nd ed.)

#1984 (3rd ed.)

#1989 (4th ed.)

Other

Plans for new elephant enclosure

ca.2004

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