Cosmos : a sketch of a physical description of the universe / By Alexander von Humboldt ; Translated from the German by E.C. Otté.

2

Text-book of the embryology of invertebrates / by Dr. E. Korschelt [and] Dr. K. Heider. Tr. from the German.

pt. 3

Cosmos : a sketch of a physical description of the universe / By Alexander von Humboldt ; Translated from the German by E.C. Otté.

1

The evolution of man: a popular exposition of the principal points of human ontogeny and phylogeny. From the German of Ernst Haeckel.

1

Cosmos : a sketch of a physical description of the universe / By Alexander von Humboldt ; Translated from the German by E.C. Otté.

5

Text-book of the embryology of invertebrates / by Dr. E. Korschelt [and] Dr. K. Heider. Tr. from the German.

pt. 2

Plant physiology, by Vladimir I. Palladin. Authorized English ed. based on the German translation of the 6th Russian ed. and on the 7th Russian ed. (1914) Edited by Burton Edward Livingston.

2nd ed.