Hopkins, A. D. (Andrew Delmar), 1857-1948; United States. Division of Entomology(Washington, D.C. : U. S. Department of Agriculture, Division of Entomology, 1904)
Hopkins, A. D. (Andrew Delmar), 1857-1948; United States. Division of Entomology(Washington, D.C. : U. S. Department of Agriculture, Division of Entomology, 1902)
Hopkins, A. D. (Andrew Delmar), 1857-1948; United States. Division of Entomology(Washington, D.C. : U. S. Department of Agriculture, Division of Entomology, 1901)
Hopkins, A. D. (Andrew Delmar), 1857-1948; United States. Division of Entomology(Washington, D.C. : U.S. Dept. of Agriculture, Division of Entomology, 1902-06)
Hopkins, A. D. (Andrew Delmar), 1857-1948; United States. Division of Entomology(Washington, D.C. : U. S. Department of Agriculture, Division of Entomology, 1903-11)
Hopkins, A. D. (Andrew Delmar), 1857-1948; United States. Division of Entomology(Washington, D.C. : U. S. Department of Agriculture, Division of Entomology, 1899)
Chittenden, F. H. (Frank Hurlbut), 1858-1929; United States. Division of Entomology(Washington, D.C. : U. S. Department of Agriculture, Division of Entomology, 1897-07)
