Cover title."Contribution from the Bureau of Plant Industry."Includes bibliographical references.Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Bibliography: p. 24.Mode of access: Int...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
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.Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Bibliography: p. 57-58.Mode of access: In...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
"Contribution from the Bureau of Plant Industry."Caption title.Includes bibliographical references.M...
Contribution from the Bureau of Plant Industry.Cover title.Bibliography: p. 40Includes bibliographic...
Caption title."Contribution from Bureau of Plant Industry."Mode of access: Internet
Cover title."Contribution from the Bureau of Plant Industry."Bibliography: p. 23.Mode of access: Int...
Caption title."Contribution from the Bureau of Plant Industry."Bibliography: p. 19.Mode of access: I...
"Contribution from the Bureau of Plant Industry."Caption title.Mode of access: Internet
Cover title."Contribution from the Office of Farm Management."Includes bibliographical references.Mo...
"Contribution from the Bureau of Plant Industry."Caption title.Includes bibliographical references.M...
Cover title."Contribution from Bureau of Plant Industry".Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Bibliography: p. 24.Mode of access: Int...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
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.Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Bibliography: p. 57-58.Mode of access: In...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
"Contribution from the Bureau of Plant Industry."Caption title.Includes bibliographical references.M...
Contribution from the Bureau of Plant Industry.Cover title.Bibliography: p. 40Includes bibliographic...
Caption title."Contribution from Bureau of Plant Industry."Mode of access: Internet
Cover title."Contribution from the Bureau of Plant Industry."Bibliography: p. 23.Mode of access: Int...
Caption title."Contribution from the Bureau of Plant Industry."Bibliography: p. 19.Mode of access: I...
"Contribution from the Bureau of Plant Industry."Caption title.Mode of access: Internet
Cover title."Contribution from the Office of Farm Management."Includes bibliographical references.Mo...
"Contribution from the Bureau of Plant Industry."Caption title.Includes bibliographical references.M...
Cover title."Contribution from Bureau of Plant Industry".Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Bibliography: p. 24.Mode of access: Int...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Caption title."Contribution from the Bureau of Plant Industry."Bibliography: p. 20.Mode of access: I...