Fritz Müller, Werke, Briefe und Leben - Möller, Alfred, 1860 -1922 (G. Fischer, 1915)

Fritz Müller, Werke, Briefe und Leben - Möller, Alfred, 1860 -1922 (G. Fischer, 1921)

Frogs of the genus Eleutherodactylus (Leptodactylidae) in western Ecuador : systematics, ecology, and biogeography - Lynch, John D. (Natural History Museum, University of Kansas, 1997)

The Fruhstorfer collection of butterfiles : catalogue of types with general account and list of the more interesting forms - Fruhstorfer Collection of Butterflies. (s.n, 1922)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1876)

Genera crustaceorum et insectorum secundum ordinem naturalem in familias disposita, iconibus exemplisque plurimis explicata - Latreille, P. A. (Pierre André), 1762 -1833 (A. Koenig, 1807)

Genera crustaceorum et insectorum secundum ordinem naturalem in familias disposita, iconibus exemplisque plurimis explicata - Latreille, P. A. (Pierre André), 1762 -1833 (A. Koenig, 1809)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1905)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1907)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1908)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1910)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1914)

Genera insectorum - Wytsman, P. (Philogène) 1866 -1925 (L. Desmet-Verteneuil [etc.], 1904)