Add to ORKG"University Studies, Lincoln, Nebraska, vol. X, no. 2, April, 1910."Mode of access: Internet
"Reprinted from Forest Club Annual, University of Nebraska, Vol. V, 1913."Mode of access: Internet
(Bulletin of the scientific association of Peoria, Illinois, 1887. pp.28-33.)Mode of access: Interne...
Penn. Dept. Agric. Div. Zool. Zool. bull. 1908. 5. 331-360.Mode of access: Internet
"Bibliography of the Aphididae as treated by American authors": p. 9-12.Mode of access: Internet
"Bibliography of the Aphidadæ as treated by American authors": p. 9-12.Mode of access: Internet
"Reprinted from the Transactions of the Wisconsin Academy of Sciences, Arts, and Letters, vol. XIX, ...
"Papers from the Maine agricultural experiment station: Entomology no. 77"--p. [253].Cover title.Lit...
Originally issued Dec. 1917."This revision was prepared by C.M. Packard."Mode of access: Internet
Type-written ms.Thesis--M.S.--Univ. of California.Bibliography: p. 23-25.Mode of access: Internet
"Contribution from the Botanical survey of Nebraska. New series, number 3. March, 1919."Mode of acce...
Cover title.Includes bibliographical references (p. 37-40).Mode of access: Internet.
At head of title: Geological and natural history survey of Minnesota.Cover-title.Mode of access: Int...
"2d ed.""Contribution from the Botanical survey of Nebraska. New series, number 3. March, 1919."Mode...
"Reprinted from the Proceedings of the Nebraska ornithologists' union for 1902 and brought up to dat...
Published conjointly by the University and the Nebraska academy of sciences.Bibliography: p. 84-88.M...
"Reprinted from Forest Club Annual, University of Nebraska, Vol. V, 1913."Mode of access: Internet
(Bulletin of the scientific association of Peoria, Illinois, 1887. pp.28-33.)Mode of access: Interne...
Penn. Dept. Agric. Div. Zool. Zool. bull. 1908. 5. 331-360.Mode of access: Internet
"Bibliography of the Aphididae as treated by American authors": p. 9-12.Mode of access: Internet
"Bibliography of the Aphidadæ as treated by American authors": p. 9-12.Mode of access: Internet
"Reprinted from the Transactions of the Wisconsin Academy of Sciences, Arts, and Letters, vol. XIX, ...
"Papers from the Maine agricultural experiment station: Entomology no. 77"--p. [253].Cover title.Lit...
Originally issued Dec. 1917."This revision was prepared by C.M. Packard."Mode of access: Internet
Type-written ms.Thesis--M.S.--Univ. of California.Bibliography: p. 23-25.Mode of access: Internet
"Contribution from the Botanical survey of Nebraska. New series, number 3. March, 1919."Mode of acce...
Cover title.Includes bibliographical references (p. 37-40).Mode of access: Internet.
At head of title: Geological and natural history survey of Minnesota.Cover-title.Mode of access: Int...
"2d ed.""Contribution from the Botanical survey of Nebraska. New series, number 3. March, 1919."Mode...
"Reprinted from the Proceedings of the Nebraska ornithologists' union for 1902 and brought up to dat...
Published conjointly by the University and the Nebraska academy of sciences.Bibliography: p. 84-88.M...
"Reprinted from Forest Club Annual, University of Nebraska, Vol. V, 1913."Mode of access: Internet
(Bulletin of the scientific association of Peoria, Illinois, 1887. pp.28-33.)Mode of access: Interne...
Penn. Dept. Agric. Div. Zool. Zool. bull. 1908. 5. 331-360.Mode of access: Internet