Yazar
John Harwood Longwell
18 cilt bulundu.
Benjamin Koehler, Charles Elmer Durst, Frederick Charles Bauer, Frederick Francis Weinard, John William Lloyd, Laurence Joseph Norton, Oliver Ralph Overman, Paul Hubert Tracy, Sleeter Bull, Victor Wendell Kelley, Walter August Huelsen, Wesley Pillsbury Flint, William Leonidas Burlison, Ben Bowen Wilson, Carl Otto Mohr, Harrison August Ruehe, Horace Mead Newell, James Ransom Holbert, Jay Courtland Hackleman, John Harwood Longwell, Merl Conrad Gillis, Orlando Ford Garrett, Samuel Wesley Decker, Fred Carl Olson, Ogle Hesse Sears · Yayınevi bilinmiyor
732 sayfa · 1930
Agricultural prices
John Harwood Longwell, Wyatt Marion Insko, H. O. Henderson · Yayınevi bilinmiyor
32 sayfa · 1930
Agriculture
Sleeter Bull, John Harwood Longwell, Fred C 1900- Olson · Palala Press
80 sayfa · 2015-09-05
Kategori yok
University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station, John Harwood Longwell, S. Bull · Yayınevi bilinmiyor
Sayfa sayısı yok · 1929
Kategori yok
John Harwood Longwell, University of Missouri. Agricultural Experiment Station · Yayınevi bilinmiyor
65 sayfa · 1951
Fertilizers