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

v. 16 (1905)

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

v. 28 (1917)

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

v. 13 (1902)

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

v. 26 (1915)

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

v. 29 (1918)

Proceedings of the Entomological Society of Washington.

v. 18-19 1916-1917

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

v. 10 (1899)

Proceedings of the Entomological Society of Washington.

v. 11 1909

Proceedings of the Entomological Society of Washington.

v. 10 1908

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

v. 7 (1896)

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

v. 6 (1895)

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

v. 24 (1913)

Proceedings of the Entomological Society of Washington.

v. 14 1912

Proceedings of the Entomological Society of Washington.

v. 21-22 1919-1920

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

v. 11 (1900)