 | Alice Linna Allen Bailey Nightingale, Charles Abel Bennett, Charles Brooks, Charles William Mann, Claude Hope, Dean Humboldt Rose, Dow Dewey Porter, Eloise Blaine Cram, Francis Leo Gerdes, Frederick William Metzger, George W. Barber, Harry Nelson Vinall, Henry Miner Eakin, Irvin Cecil Brown, Katherine Melvina Downey, Norman Julian Wall, Paul Lewis Harding, R. W. Leukel, Robert H. Weidman, Stephen Harold Hastings, Thompson Elwyn Woodward, Verne Lester Harper, William Jeter Phillips, Chalmers Jackson King, Charles Lincoln Powell, Cyril Oliver Bratley, E. A. Gorman, Glen Blaine Ramsey, Horace Greeley Byers, J. C. Stephens, Lenthall Wyman, Ralph P. Hotis, Warren W. Maines, William Cecil Cooper, John Holmes Martin, Lacy Porter McColloch, Orlan Parker, R. R. Graves - 1936 - 1342 páginas
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 | Arnold L. Nelson, Arvid John Johnson, Bradford Knapp, Charles Ellsworth Gage, Curtis Benton, Cyril Oliver Bratley, D. F. Fisher, E. H. Siegler, Edmund Lambert, Floyd Franklin Smith, Forrest Vern Owen, Frederick James Stevenson, George Arceneaux, George McMillan Darrow, Hazel Katherine Stiebeling, James Herbert Beattie, Loyd William Brannon, Robert Roland Farrar, Van E. Romney, Waldo Lee McAtee, Wayne Melville Bever, William Henry Burrows, William Ogilvie Fraser, William Taylor Miller, United States. Department of Agriculture, Arthur Steele Mason, Charles Frederick Clark, Don Juan Slater, Esther Funnell Phipard, Francis Munger, Harry Humfeld, Howard W. Johnson, I. E. Stokes, Jacob Martin Lutz, Joseph Patrick Quinn, Thomas Laffin Baggette, Victor Rickman Boswell, Wesley Pillsbury Flint, Woodrow Wilson Bailey, John McDowell McCown, Lloyd E. Smith, Talbott Elson Clarke - 1939 - 592 páginas
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 | Alfred Paul Dachnowski-Stokes, C. C. Plummer, Charles Roy Adair, Fisk Gerhardt, George Jacob Hough, H. S. Haller, Hardy Lomax Shirley, Harold M. Harshaw, Irvine Theodore Haig, Jasper E. Pallesen, Kenneth Thurman Williams, Leander D. Howell, Myron Francis Babb, Nelson McKaig, O. N. Eaton, Paul A. Woke, Paul Lewis Harding, Philip B. Dowden, Preston Richards, Raymond Carl Rietz, Robert Claude Wright, Robert Leslie Shotwell, Samuel Ebb Crumb, W. P. Green, Winn Frederick Finner, P. M. Eide, Boyce D. Ezell, C. J. Babcock, H. H. Laude, Hubert William Lakin, John Robinson Winston, Kenneth Pickett Davis, Lewis Alexander Hurst, M. McPhail, Philip Lindsey Gile, Ronald Lester Mighell, William Virgil Hukill, A. E. Bonn, D. F. Fisher, Dean Humboldt Rose, F. M. Grant, Horace Greeley Byers, J. W. Monk, Robert H. Weidman, Zera Calvin Foster - 1941 - 1240 páginas
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 | Edgar John Udine, Edmund Lambert, Edward Mackay Chace, Emil George Boerner, F. L. Duley, Franklin Arthur Coffman, George Emil Gaus, Gerard Dikmans, Harold Robert Hochmuth, John Stuart Pinckney, Joseph Benjamin Shepherd, M. A. Yothers, Mark Hughlin Haller, Robert Hale Nelson, Roland McKee, Russell Rutherford Whitten, United States. Department of Agriculture, Victor Leo Stedronsky, W. A. Douglas, W. G. Bradley, William John Reid, William Solomon Porte, Carroll Clayton Cassil, Charles Scott Shaw, Dean Humboldt Rose, Earl Raymond Franklin, Harry August Schoth, Harry Bruce Walker, Latimer Ludwig Kelly, Paul B. Allen, Rhea Emerson Stitt, Thomas Laffin Baggette, Thompson Elwyn Woodward, William Alexander Noel, Arvid John Johnson, Marion Clawson, Paul Lewis Harding, Vinnie Arah Pease, Waldo Harold Kliever - 1941 - 718 páginas
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