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

Leaves variously numbered.

Study of insects ...

Litho-typed.

Insects, Arachnids, and Chilopods of the Pribilof islands, Alaska.

Separate from North American fauna no.46...

A list of the insects of New York ... Coleoptera

Reprinted from his A list of the insects of New York.

A list of the insects of New York ... Miscellaneous orders ...

Reprinted from his A list of the insects of New York.

A list of the insects of New York ... Hymenoptera ...

Reprinted from his A list of the insects of New York.

Check list of insects of Great Smoky Mountains National Park.

Mode of access: Internet.

Cotton insects of the United States,

Reproduced from type-written copy.

Scale insects - Coccidae.

Caption title.

Handbook of Florida insects and their control;

Mode of access: Internet.

Gallen und gallentiere aus Argentinien.

Caption title.

Destructive insects of China.

Table of Contents lists Table of Chinese, and English names and index; both missing in this copy.

Insects injurious to agriculture in Japan.

Contribution from Bureau of entomology.

Report of the State Entomologist on the noxious and beneficial insects of the state of Illinois.

Issues for 1876- called 1st- and written by C.T. Thomas, but actually 6th- reports in series; issues for -1916 called -18th and written S.A. Forbes, but actually -29th reports in series.

A manual for the study of insects,

Mode of access: Internet.