Proceedings of the Entomological Society of Washington.

v. 10 1908

Proceedings of the Entomological Society of Washington.

v. 14 1912

Proceedings of the Entomological Society of Washington.

v. 21-22 1919-1920

Proceedings of the Entomological Society of Washington.

v. 12 1910

Proceedings of the Entomological Society of Washington.

v. 20 1918

Proceedings of the Entomological Society of Washington.

v. 16 1914

Proceedings of the Entomological Society of Washington.

v. 15 1913

Proceedings of the Entomological Society of Washington.

v. 13 1911