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)

Entomological news.

v. 48-49 1937

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.

v. 56-57 1945

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

v. 6 (1895)

Entomological news.

v. 60-61 1949

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

Entomological news.

v. 54-55 1943

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)