Gegenbaurs morphologisches Jahrbuch (W. Engelmann, 1914)

Gegenbaurs morphologisches Jahrbuch (W. Engelmann, 1916)

Gegenbaurs morphologisches Jahrbuch (W. Engelmann, 1920)

Gegenbaurs morphologisches Jahrbuch (W. Engelmann, 1922)

Genera mammalium - Museo Nacional de Ciencias Naturales (Spain) (1919)

General and professional biology : with special reference to man - Menge, Edward John von Komorowski, 1882 -1941 (Bruce Pub. Co, 1928)

General and professional biology : with special reference to man - Menge, Edward John von Komorowski, 1882 -1941 (Bruce, 1922)

General and professional biology with special reference to man - Menge, Edward John von Komorowski, 1882 -1941 (Bruce Publishing Co, 1922)

General biology - Mavor, James Watt, 1883 -1963 (Macmillan Co, 1947)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1949)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1950)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1951)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1952)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1953)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1955)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1956)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1957)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1959)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1961)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1963)