"May, 1939."Caption title.Includes bibliographical references (p. 53-55).Mode of access: Internet
"September, 1936"Caption title.Tx Doc no.: Z, TA245.7, B873, nos.524-549Bibliography: p. 25.Mode of ...
"In cooperation with the United States Department of Agriculture.""May 1951."Caption ...
"In cooperation with the United States Department of Agriculture.""June 1951."Caption title.Mode of ...
Includes index."Contribution from the Office of the Secretary."Caption title.Bibliography: p.48.Mode...
"November, 1959"Caption title.Includes bibliographical references.Mode of access: Internet
"In cooperation with the United States Department of Agriculture.""June 1952."Caption title.Mode of ...
"January 1945."Caption title.Includes bibliographical references (p. 20).Mode of access: Internet
"October 1949."Caption title.Includes bibliographical references (p. 32).Mode of access: Internet.
Caption-title.At head of title: United States Department of Agriculture, Bureau of Agricultural Econ...
"October, 1943."Caption title.Includes bibliographical references (p. 15).Mode of access: Internet
Caption title."Contribution from Extension Service."Includes bibliographical references.Mode of acce...
"in cooperation with Bureau of Agricultural Economics, U.S. Dept. of Agriculture.""July 1944."Captio...
Caption title.Contribution from the Bureau of Plant Industry.Bibliography: p. 16.Mode of access: Int...
Caption title."October 20, 1919."Bibliography: p. 26-29.Mode of access: Internet
"Supersedes Technical bulletin no. 907, Classification of barley varieties grown in the United State...
"September, 1936"Caption title.Tx Doc no.: Z, TA245.7, B873, nos.524-549Bibliography: p. 25.Mode of ...
"In cooperation with the United States Department of Agriculture.""May 1951."Caption ...
"In cooperation with the United States Department of Agriculture.""June 1951."Caption title.Mode of ...
Includes index."Contribution from the Office of the Secretary."Caption title.Bibliography: p.48.Mode...
"November, 1959"Caption title.Includes bibliographical references.Mode of access: Internet
"In cooperation with the United States Department of Agriculture.""June 1952."Caption title.Mode of ...
"January 1945."Caption title.Includes bibliographical references (p. 20).Mode of access: Internet
"October 1949."Caption title.Includes bibliographical references (p. 32).Mode of access: Internet.
Caption-title.At head of title: United States Department of Agriculture, Bureau of Agricultural Econ...
"October, 1943."Caption title.Includes bibliographical references (p. 15).Mode of access: Internet
Caption title."Contribution from Extension Service."Includes bibliographical references.Mode of acce...
"in cooperation with Bureau of Agricultural Economics, U.S. Dept. of Agriculture.""July 1944."Captio...
Caption title.Contribution from the Bureau of Plant Industry.Bibliography: p. 16.Mode of access: Int...
Caption title."October 20, 1919."Bibliography: p. 26-29.Mode of access: Internet
"Supersedes Technical bulletin no. 907, Classification of barley varieties grown in the United State...
"September, 1936"Caption title.Tx Doc no.: Z, TA245.7, B873, nos.524-549Bibliography: p. 25.Mode of ...
"In cooperation with the United States Department of Agriculture.""May 1951."Caption ...
"In cooperation with the United States Department of Agriculture.""June 1951."Caption title.Mode of ...