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

Mode of access: Internet.

Sanderson's duettinos, or, Select violin miscellany : comprising a series of the most esteemed songs, airs, marches, waltzes, quadrilles, &c arranged in their proper keys as duetts for two violins /

Mode of access: Internet.

Modern British permanent way. Treating of rails, chairs, fishbolts, fishplates, keys, sleepers, ballast, rail-joints, points and crossings, &c.

"Originally written as a series of articles for ʻThe Railway Newsʾ, in which they appeared at various periods between the years 1911 and 1914."--Pref.

The keys to prosperity.

Bibliographical footnotes.

Polyglot reader, and guide for translation : consisting of a series of English extracts, with their translation into French, German, Spanish, and Italian : the several parts designed to serve as mutual keys /

[v. 1] English text -- [v. 2] German translation / Reinhold Solger. 1867. -- [v. 3] Spanish translation. 1870. -- [v. 4] Italian translation / Vincenzo Botta. 1856.

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.

Polyglot reader, and guide for translation : consisting of a series of English extracts, with their translation into French, German, Spanish, and Italian : the several parts designed to serve as mutual keys /

Spanish translation.

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.

Tables of the 24 major and minor keys or modulations classified for use in connection with the author's easy method of modulation, but applicable to any other method,

Mode of access: Internet.

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.

A report on the aphididae listed as having been found in the state of New York, with notes on those found locally. Accompanied by synoptic keys and references to descriptions.

Typewritten.