183 books
Bulletin (Volume 9-19)
Bulletin (Volume 20-30)
Bulletin (Volume 26-32)
Technical Series Volume 1-7
Bulletin (Volume 18-20); Report of Experiments, Chiefly with Kerosene, Upon the Insects Affecting the Orange Tree and the Cotton Plant. 1883 2D Ed., 1883
Technical Series (12-16)
Insect Life (V. 6 1893-94)
Insect Life (V. 2 1889-90)
Insect Life (V. 3 1890-91)
Insect Life (V. 4 1891-92)
Insect Life (V. 5 1892-93)
Insect Life (V. 7 1894-95 Index V. 1-7)
Technical Series (Nos. 1-10)
United States Department of Agriculture, Division of Entomology
The Melon Aphis