"Contribution from the Bureau of Plant Industry."Cover title.Includes bibliographical references.Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Bibliography: p. 22.Mode of access: Int...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
2d thousand.Mode of access: Internet."Sample pages from actual field book, for enumerating street tr...
"Contribution from the Bureau of Plant Industry."Cover title.Bibliography: p. 34-35.Mode of access: ...
Cover title."Contribution from Bureau of Plant Industry".Mode of access: Internet
Contribution from Bureau of Plant Industry.Includes bibliographical references.Mode of access: Inter...
Contribution from the Bureau of Plant Industry.Cover title.Bibliography: p. 40Includes bibliographic...
"Issued Sep. 1920; rev. Jun. 1921.""Contribution from the Bureau of Plant Industry."Cover title.Bibl...
Cover title.Includes bibliographical references (p. 105) and index.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.Includes bibliographical references (p. 27-33).Mode of access: Internet
Contribution from the Bureau of Plant Industry.Cover title.Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Cover title."Contribution from the Bureau of Plant Industry."Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Bibliography: p. 22.Mode of access: Int...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
2d thousand.Mode of access: Internet."Sample pages from actual field book, for enumerating street tr...
"Contribution from the Bureau of Plant Industry."Cover title.Bibliography: p. 34-35.Mode of access: ...
Cover title."Contribution from Bureau of Plant Industry".Mode of access: Internet
Contribution from Bureau of Plant Industry.Includes bibliographical references.Mode of access: Inter...
Contribution from the Bureau of Plant Industry.Cover title.Bibliography: p. 40Includes bibliographic...
"Issued Sep. 1920; rev. Jun. 1921.""Contribution from the Bureau of Plant Industry."Cover title.Bibl...
Cover title.Includes bibliographical references (p. 105) and index.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.Includes bibliographical references (p. 27-33).Mode of access: Internet
Contribution from the Bureau of Plant Industry.Cover title.Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Cover title."Contribution from the Bureau of Plant Industry."Mode of access: Internet
"Contribution from the Bureau of Plant Industry."Cover title.Bibliography: p. 22.Mode of access: Int...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
2d thousand.Mode of access: Internet."Sample pages from actual field book, for enumerating street tr...