The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 14 (1929)

The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 16 (1938)

The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 18 (1939)

The American anatomical memoirs / Wistar Institute of Anatomy and Biology.

no. 20 (1942)

Check-list of North American birds : according to the canons of nomenclature of the American Ornithologists' Union.

1889 Abridged Edition (Revised)

A contribution to American thalassography : Three cruises of the United States Coast and geodetic survey steamer "Blake", in the gulf of Mexico, in the Caribbean sea, and along the Atlantic coast of the United States, from 1877 to 1880 / by Alexander Agassiz ...

2

Additions to our knowledge of the American and Hawaiian floras, by Earl Edward Sherff.

v.22:no.7(1941)

The North American species of Rumex, by K. H. Rechinger, jr.

v.17:no.1(1937)

Revision of the North American species of Xanthium, by Charles Frederick Millspaugh and Earl Edward Sherff.

v.4:no.2(1919)

Studies of the American flora - I / By Julian A. Steyermark.

v.17:no.5(1938)

Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; with the collaboration of John T. Mickel, Robbin C. Moran.

n.s. no.27(1991)

Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; with the collaboration of Blanca León.

n.s. no.32(1993)