Biodiversity Heritage Library

By: Nelson, R. H. - United States. Bureau of Entomology and Plant Quarantine.

Edition: Rev. ed.

Publication info: [Washington, D.C.], [U.S. Department of Agriculture, Agricultural Research Administratin, U.S. Bureau of Entomology and Plant Quarantine], [1952]

Volume: 1952

Series:

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects:

BHL Collections: