"B-1564.""April 1987."Caption title.Includes bibliographical references (p. 4).Mode of access: Internet
"June 1973."Caption title.Includes bibliographical references (p. 3).Mode of access: Internet
"December 1973."Caption title.Includes bibliographical references (p. 12).Mode of access: Internet
"February 1974."Caption title.Includes bibliographical references (p. 3).Mode of access: Internet
"August 1964."Caption title.Includes bibliographical references (p. 8).Mode of access: Internet
"August 1982."Caption title.Includes bibliographical references.Mode of access: Internet
"July 1969."Caption title.Includes bibliographical references.Mode of access: Internet
"June 2000"--P. [i].Cover title.Includes bibliographical references (p. 50-52).Mode of access: Inter...
"August 1986."Title from caption.Includes bibliographical references.Mode of access: Internet
"July 1974."Caption title.Includes bibliographical references (p. 2)Mode of access: Internet
"November 1972."Caption title.Includes bibliographical reference.Mode of access: Internet
"October 1961." Should be "October 1981."Caption title.Bibliography: p. 3.Mode of access: Internet
"In cooperation with the United States Department of Agriculture.""June 1952."Caption title.Mode of ...
"New series" vol. III, no. 7.Caption title: Wheat, fertilizer tests, 1894.Mode of access: Internet
"December 1970."Caption title.Includes bibliographical references.Mode of access: Internet
Caption title.Cover title: Water conservation in Great Plains wheat production."August 1944."Bibliog...
"June 1973."Caption title.Includes bibliographical references (p. 3).Mode of access: Internet
"December 1973."Caption title.Includes bibliographical references (p. 12).Mode of access: Internet
"February 1974."Caption title.Includes bibliographical references (p. 3).Mode of access: Internet
"August 1964."Caption title.Includes bibliographical references (p. 8).Mode of access: Internet
"August 1982."Caption title.Includes bibliographical references.Mode of access: Internet
"July 1969."Caption title.Includes bibliographical references.Mode of access: Internet
"June 2000"--P. [i].Cover title.Includes bibliographical references (p. 50-52).Mode of access: Inter...
"August 1986."Title from caption.Includes bibliographical references.Mode of access: Internet
"July 1974."Caption title.Includes bibliographical references (p. 2)Mode of access: Internet
"November 1972."Caption title.Includes bibliographical reference.Mode of access: Internet
"October 1961." Should be "October 1981."Caption title.Bibliography: p. 3.Mode of access: Internet
"In cooperation with the United States Department of Agriculture.""June 1952."Caption title.Mode of ...
"New series" vol. III, no. 7.Caption title: Wheat, fertilizer tests, 1894.Mode of access: Internet
"December 1970."Caption title.Includes bibliographical references.Mode of access: Internet
Caption title.Cover title: Water conservation in Great Plains wheat production."August 1944."Bibliog...
"June 1973."Caption title.Includes bibliographical references (p. 3).Mode of access: Internet
"December 1973."Caption title.Includes bibliographical references (p. 12).Mode of access: Internet
"February 1974."Caption title.Includes bibliographical references (p. 3).Mode of access: Internet