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Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1945]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C. : United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1944]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C.] : United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, [1944]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1943]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1943]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1943]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington : United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1943]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
Author
Roark, R. C. (Ruric Creegan)
Published
[Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1942]
Online
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online