Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 32 (1921)

Proceedings of the Entomological Society of Washington.

v. 12 1910

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 20 (1909)

Proceedings of the Entomological Society of Washington.

v. 20 1918

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 19 (1908)

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 21 (1910)

Entomological news.

v. 46-47 1935

Proceedings of the Entomological Society of Washington.

v. 16 1914

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 35 (1924)

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 8 (1897)

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 22 (1911)

Proceedings of the Entomological Society of Washington.

v. 15 1913

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 9 (1898)

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 33 (1922)

Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.

v. 18 (1907)