More letters of Charles Darwin. A record of his work in a series of hitherto unpublished letters, ed. by Francis Darwin ... and A.C. Seward ...

1

Emma Darwin, a century of family letters, 1792-1896, ed. by her daughter Henrietta Litchfield ...

1

The life and letters of Charles Darwin, including an autobiographical chapter, ed. by his son Francis Darwin ...

2

The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

1

The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

3

The physiology of plants; a treatise upon the metabolism and sources of energy in plants, by Dr. W. Pfeffer ... 2d fully rev. ed., translated and edited by Alfred J. Ewart.

2

Phycological memoirs; being researches made in the Botanical department of the British museum. Ed. by George Murray.

pts.1-3

The Cambridge natural history, ed. by S.F. Harmer ... and A.E. Shipley ...

v.1 (1906)

Elementary text-book of zoology / Tr. and ed. by Adam Sedgwick, with the assistance of F.G. Heathcote.

pt.2,c.1

The standard natural history. Ed. by John Sterling Kingsley.

v.4 [Birds] (1885)

Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote.

1