Report on economic zoology for the year ...

Mode of access: Internet.

[Reports on economic entomology and zoology]

Mode of access: Internet.

Reports on economic zoology.

Mode of access: Internet.

Principles of economic zoölogy,

Mode of access: Internet.

A text-book of economic zoölogy,

Mode of access: Internet.

The Bi-monthly zoological bulletin of the Division of Zoology of the Pennsylvania Department of Agriculture.

Mode of access: Internet.

The Zoological bulletin of the Division of Zoology.

At head of title, v. 1-4: Pennsylvania State Department of Agriculture.

Bulletin de la Société nationale d'acclimatation de France.

v.62 (1915)

Bulletin de la Société impériale zoologique d'acclimatation.

t. 2 (1855)

Bulletin de la Société nationale d'acclimatation de France.

v.65 (1918)

Bulletin de la Société impériale zoologique d'acclimatation.

t. 8 (1861)

Bulletin de la Société impériale zoologique d'acclimatation.

ser. 2, t. 3 (1866)

Bulletin de la Société impériale zoologique d'acclimatation.

t. 5 (1858)

Bulletin de la Société impériale zoologique d'acclimatation.

t. 7 (1860)