Contribution from the Bureau of Plant Industry.Cover title.Bibliography: p. 99.Mode of access: Internet
Caption title.Contribution from the Bureau of Plant Industry.Bibliography: p. 16.Mode of access: Int...
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering.Cover title.Bibliogr...
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering.Caption title.Includ...
"Publication authorized June 1, 1922"--T.p.Bibliography: p. 10.Mode of access: Internet
"Professional paper.""December 3, 1921."Caption title.Bibliography: p. 20.Mode of access: Internet
Cover title."Contribution from Bureau of Plant Industry".Mode of access: Internet
Contribution from the Bureau of Plant Industry.Caption title.Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Mode of access: Internet
Cover title."Contribution from the Bureau of Plant Industry."Mode of access: Internet
Caption title."Contribution from the Bureau of Plant Industry."Bibliography: p. 20.Mode of access: I...
Contribution from the Bureau of Plant Industry.Cover title.Includes bibliographical references.Mode ...
Contribution of the Bureau of Plant Industry.Cover title.Mode of access: Internet
Reprinted from The Plant world, v. 14, no. 4.Contribution no. 120 from the Botanical department of t...
Title and added title within ornamental borders.Bibliography: p. 245-247.Mode of access: Internet
Caption title.Contribution from the Bureau of Plant Industry.Bibliography: p. 16.Mode of access: Int...
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering.Cover title.Bibliogr...
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering.Caption title.Includ...
"Publication authorized June 1, 1922"--T.p.Bibliography: p. 10.Mode of access: Internet
"Professional paper.""December 3, 1921."Caption title.Bibliography: p. 20.Mode of access: Internet
Cover title."Contribution from Bureau of Plant Industry".Mode of access: Internet
Contribution from the Bureau of Plant Industry.Caption title.Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Mode of access: Internet
Cover title."Contribution from the Bureau of Plant Industry."Mode of access: Internet
Caption title."Contribution from the Bureau of Plant Industry."Bibliography: p. 20.Mode of access: I...
Contribution from the Bureau of Plant Industry.Cover title.Includes bibliographical references.Mode ...
Contribution of the Bureau of Plant Industry.Cover title.Mode of access: Internet
Reprinted from The Plant world, v. 14, no. 4.Contribution no. 120 from the Botanical department of t...
Title and added title within ornamental borders.Bibliography: p. 245-247.Mode of access: Internet
Caption title.Contribution from the Bureau of Plant Industry.Bibliography: p. 16.Mode of access: Int...
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering.Cover title.Bibliogr...
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering.Caption title.Includ...