Pictorial keys to arthropods, reptiles, birds and mammals of public health significance.

Mode of access: Internet.

The keys to prosperity.

Bibliographical footnotes.

Keys to spring plants,

"For the identification of the Pteridophyta, Gymnospermae and the commoner species of early-flowering Angiospermae found in the vicinity of Ithaca, New York."

Pictorial keys to anthropods, reptiles, birds and mammals of public health importance.

Bibliography: p. 187-192.

Keys to identification of families and genera of insects ...

Vol. IV has title: Literature to the orders, families, genera, and species of insects and medical entomology.

Keys to the North American genera and higher groups of aquatic insects in their larval and adult stages,

Leaves variously numbered.

Synopsis and catalog of the thysanoptera of North America, with a translation of Karny's Keys to the genera of thysanoptera and a bibliography of recent publications,

Bibliography: p. 83-88.

Keys to the genera and species of the heteroptera of the North eastern states (exclusive of Capsidae).

Typewritten.

Keys to subfamilies, tribes, genera and subgenera of the Gerridae of the world

University of Kansas, Department of Entomology contribution no. 1047.

Keys to teaching junior high school music,

Mode of access: Internet.

Keys to teaching elementary school music /

Includes index.

Pictorial keys to arthropods, reptiles, birds, and mammals of public health significance.

"Previously issued under the same title by the Centers of Disease Control and PRevention of the U. S. Public Health Service, Atlanta, Georgia"--t.p. verso.

Keys to the flora of Oklahoma.

Mode of access: Internet.

Keys to Genera of the Tremellales /

Mode of access: Internet.

The use of computers in literature searching and related reference activities in libraries : papers presented at the 1975 Clinic on Library Applications of Data Processing, April 27-30, 1975 /

Includes bibliographical references.