Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1917)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1918)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1919)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1920)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1921)

Journal of morphology - Wistar Institute of Anatomy; Biology. (Ginn & Co, 1911)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1987)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1988)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1989)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1990)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1992)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1993)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1994)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1995)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1996)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1997)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1998)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1999)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2000)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2001)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2002)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 2003)