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

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

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1965)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1967)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1969)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1971)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1973)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1975)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1976)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1977)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1978)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1979)

General embryological information service - Hubrecht-Laboratorium (Embryologisch Instituut) (Hubrecht Laboratory, 1980)

General zoology - Villee, Claude A. (Claude Alvin), 1917 -2003 (Saunders, 1958)

General zoology - Wieman, Harry Lewis, 1883 - (McGraw-Hill book company, inc, 1938)

General zoology - Guthrie, Mary Jane, 1895 - (Wiley, 1957)

General zoölogy; practical, systematic and comparative; being a revision and rearrangement of Orton's Comparative zoölogy - Orton, James, 1830 -1877 (American book company, 1903)

Generelle Morphologie der Organismen : allgemeine Grundzuge der organischen Formen-Wissenschaft, mechanisch begrundet durch die von Charles Darwin reformirte Descendenz-Theorie - Haeckel, Ernst, 1834 -1919 (Georg Reimer, 1866)

Generelle morphologie der organismen. Allgemeine grundzüge der organischen formen-wissenschaft, mechanisch begründet durch die von Charles Darwin reformirte descendenztheorie - Haeckel, Ernst, 1834 -1919 (G. Reimer, 1866)

Genetic alterations to artificial soils by earthworms - University of Alberta. Department of Soil Science. (1984)

Die geographische Verbreitung der Oligochaeten - Michaelsen, W. (Wilhelm), 1860 -1937 (R. Friedländer, 1903)