Fresh-water limestone from the Torola Valley, northeastern El Salvador / Sharat Kumar Roy -- and Robert Kriss Wyant --.

v.10:no.16(1953)

The La Porte Meteorite / by Sharat Kumar Roy -- and Robert Kriss Wyant --.

v.7:no.10(1950)

Type Graptolithina in Field Museum of Natural History / Robert H. Hansman -- and Matthew H. Nitecki --.

n.s. no.1(1979)

Frogs of Vietnam : a report on new collections / Robert F. Inger, Nikolai Orlov, Ilya Darevsky.

n.s. no.92(1999)

New species of fresh-water catfishes from North Borneo [by] Robert F. Inger and Chin Phui Kong.

v.39:no.27(1959)

The Benld meteorite / by Sharat Kumar Roy -- and Robert Kriss Wyant --.

v.7:no.11(1951)

Geology and mammalian paleontology of the New Fork-Big Sandy area, Sublette County, Wyoming / [by] Robert M. West --. [Patricia M. Williams, -- editor --]

v.29(1973)

Intraspecific and interspecific variation in the Cryptotis nigrescens species complex of small-eared shrews (Insectivora, Soricidae) : with the description of a new species from Colombia / Neal Woodman, Robert M. Timm.

n.s. no.74(1993)

Fishes of the Devonian Holland Quarry shale of Ohio / Robert H. Denison --

v.11:no.10(1960)

Icones filicum ad eas potissimum species illustrandas destinatæ, quæ hactenus, vel in herbariis delituerunt prorsus incognitae, vel saltem nondum per icones botanicis innotuerunt.Figures and descriptions of ferns, principally of such as have been altogether unnoticed by botanists, or as have not yet been correctly figured.By William Jackson Hooker and Robert Kaye Greville.

v. 1

Icones filicum ad eas potissimum species illustrandas destinatæ, quæ hactenus, vel in herbariis delituerunt prorsus incognitae, vel saltem nondum per icones botanicis innotuerunt.Figures and descriptions of ferns, principally of such as have been altogether unnoticed by botanists, or as have not yet been correctly figured.By William Jackson Hooker and Robert Kaye Greville.

v. 2

New genera and subgenera of augochlorine bees (Hymenoptera: Halictidae) / by Michael S. Engel, Robert W. Brooks, and Douglas Yanega.

no.5