Revised edition.At head of title: Hatch experiment station of the Massachusetts agricultural college.Mode of access: Internet
Offprint from Proceedings of the Entomological Society of Philadelphia, Oct. 1863.Cover title.Mode o...
"No. 2566. - From the Proceedings of the United States National Museum, vol. 66, art. 29."Cover titl...
"Papers from the Maine agricultural experiment station: Entomology no. 77"--p. [253].Cover title.Lit...
Typescript.Thesis (Ph.D.)--Massachusetts Agricultural College, 1914.Mode of access: Internet
From the Proceedings of the United States National Museum, vol. XVIII, p. 387-440. <no. 1073>At head...
Reprint from: Bulletin from the Laboratories of Natural History of the State University of Iowa.Mode...
Cover title.Includes bibliographical references (p. 37-40).Mode of access: Internet.
"Project no. 18050 ELD. Contract no. 14-12-894."Bibliography: p. 33.Mode of access: Internet
Thesis (M.S.)--Massachusetts Agricultural College, 1917.Mode of access: Internet
At head of title: Maine. Agricultural experiment station, Orono, Maine.Mode of access: Internet
"From the Proceedings of the United States National Museum, vol. XXV, pages 83-126. No. 1280)"Issued...
From the Proceedings of the United States National Museum, vol. XII, p. 455-496 ...<No. 781.>Cover-t...
Reprinted from The Transactions of the Linnean society of London. 2nd Series zoology. Vol. XIV Part ...
Contribution from Bureau of Entomology and Plant Quarantine.Caption title.Mode of access: Internet.
From "Novitates zoologicae." v. 13, Aug. 1906.Caption title.Mode of access: Internet
Offprint from Proceedings of the Entomological Society of Philadelphia, Oct. 1863.Cover title.Mode o...
"No. 2566. - From the Proceedings of the United States National Museum, vol. 66, art. 29."Cover titl...
"Papers from the Maine agricultural experiment station: Entomology no. 77"--p. [253].Cover title.Lit...
Typescript.Thesis (Ph.D.)--Massachusetts Agricultural College, 1914.Mode of access: Internet
From the Proceedings of the United States National Museum, vol. XVIII, p. 387-440. <no. 1073>At head...
Reprint from: Bulletin from the Laboratories of Natural History of the State University of Iowa.Mode...
Cover title.Includes bibliographical references (p. 37-40).Mode of access: Internet.
"Project no. 18050 ELD. Contract no. 14-12-894."Bibliography: p. 33.Mode of access: Internet
Thesis (M.S.)--Massachusetts Agricultural College, 1917.Mode of access: Internet
At head of title: Maine. Agricultural experiment station, Orono, Maine.Mode of access: Internet
"From the Proceedings of the United States National Museum, vol. XXV, pages 83-126. No. 1280)"Issued...
From the Proceedings of the United States National Museum, vol. XII, p. 455-496 ...<No. 781.>Cover-t...
Reprinted from The Transactions of the Linnean society of London. 2nd Series zoology. Vol. XIV Part ...
Contribution from Bureau of Entomology and Plant Quarantine.Caption title.Mode of access: Internet.
From "Novitates zoologicae." v. 13, Aug. 1906.Caption title.Mode of access: Internet
Offprint from Proceedings of the Entomological Society of Philadelphia, Oct. 1863.Cover title.Mode o...
"No. 2566. - From the Proceedings of the United States National Museum, vol. 66, art. 29."Cover titl...
"Papers from the Maine agricultural experiment station: Entomology no. 77"--p. [253].Cover title.Lit...