Yazar
harold speer irwin
14 cilt bulundu.
Harold Speer Irwin, United States. Department of Agriculture, United States. Grain Futures Administration, United States. Bureau of Agricultural Economics · Yayınevi bilinmiyor
1354 sayfa · 1926
Cold storage
Harold Speer Irwin, United States. Grain Futures Administration · Yayınevi bilinmiyor
36 sayfa · 1936
Grain elevators
C. J. Babcock, Catherine Emma Pennington, Charles Abel Bennett, Charles Cloyes Fletcher, Donald Gould Fletcher, E. W. Sheets, Frank Irons, Frederick William Metzger, Harold Speer Irwin, Henry Giese, John T. Bowen, Joshua John Skinner, Mary Aloysius Agnew, Paul Goodwin Redington, Perry Eugene Howard, Thompson Elwyn Woodward, Waldo Lee McAtee, J. B. Parker, Joseph Benjamin Shepherd, Stanley Ward McBirney, R. R. Graves, Robert Max Merrill · Yayınevi bilinmiyor
1340 sayfa · 1931
Agricultural colleges
L. W. Irwin, Harold J. Cornacchia, Wesley Morgan Staton · Yayınevi bilinmiyor
488 sayfa · 1966
Health education (Elementary)
Clayton Orville Smith, Fred Montreville Hayes, Frederic Theodore Bioletti, George Wright Shaw, Harold Child Bryant, Henry Josef Quayle, John Irwin Thompson, John Sedgwick Burd, Leroy Anderson, Ralph Eliot Smith, William Vere Cruess · Yayınevi bilinmiyor
694 sayfa · 1912
Citrus
Alva Cled Miller, C. B. Singletary, Cecil B. Roark, Ernest Hazel Floyd, Fred W. Self, Harry Bates Brown, Irwin L. Saveson, J. Y. Oakes, John C. Carpenter, John C. Taylor, Johnny Henry Davis, Julian Creighton Miller, Lawrence E. Creasy, Lucille Finley, Madison B. Sturgis, Mansel M. Mayeux, Martha E. Hollinger, Nelson E. Jodon, Paul LaVerne Piercy, Ralph T. Brown, Walter F. Wilson, Walter Kenneth Porter, Wiley Davis Poole, William Duke Kimbrough, William Hillman Willis, William Hobart Carter, Harold Thomas Barr, L. D. Newsom, Louis L. Rusoff, Ralph Stanley Woodward · Yayınevi bilinmiyor
406 sayfa · 1960
Agriculture
United States. Grain Futures Administration, Harold Speer Irwin · Yayınevi bilinmiyor
24 sayfa · 1932
Grain trade