Contributions to the flora of Venezuela : from Droseraceae through Umbelliferae / Julian A. Steyermark and collaborators.

v.28:no.2(1952)

Contributions to the flora of Venezuela / Julian A. Steyermark and collaborators.

v.28:no.4(1957)

Comprehensive index to the Flora of Guatemala / Terua P. Williams.

v.24:pt.13(1977)

The birds of eastern North America known to occur east of the ninetieth meridian ... by Charles B. Cory ...

pt.2

The birds of eastern North America known to occur east of the ninetieth meridian ... by Charles B. Cory ...

pt.1

Contribution to the ornithology of San Domingo, by George K. Cherrie ...

v.1:no.1(1896)

First supplement to the Orchids of Peru / Charles Schweinfurth.

v.33(1970)

A contribution to the ichthyology of Mexico.

v.3:no.6(1902)

Studies on the neotropical species of Stenus described by Bernhauer (Coleoptera, Staphylinidae) : seventy-eighth contribution to the knowledge of Steninae / Volker Puthz.

v.65:no.5(1974)

The contribution of archaeology to the zoogeography of Borneo : with the first record of a wild canid of Early Holocene Age ; a contribution in celebration of the distinguished scholarship of Robert F. Inger on the occasion of his sixty-fifth birthday / Earl of Cranbrook.

n.s. no.42(1988)

Contributions to the paleontology of the upper cretaceous series / by William Newton Logan, A.M. ; Oliver Cummings Farrington, Ph.D. Curator, Dept. of Geology.

v.1:no.6(1899)

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1958

Report of the Director to the Board of Trustees for the year ... / Chicago Natural History Museum.

1959

Contributions to the anthropology of Iran / by Henry Field.

v.29:no.2(1939)

Annual report of the Director to the Board of Trustees for the year ... / Field Museum of Natural History

12, no. 1