Henry Van Roekel

Betty Thomas Richardson, Carl Barrier Brown, Clarice Louisba Scott, Georgian Adams, Glen Blaine Ramsey, Henry Clapp Sherman, Hugh Hammond Bennett, James Walker Cruikshank, Lawrence V. Compton, Leonard Joseph Watson, Marion Julia Drown, United States. Department of Agriculture. Office of Personnel, Victor Rickman Boswell, William Arthur Craft, William Henry White, James Stewart Wiant, Robert Emerson Wester, Sears Polydore Doolittle, Sybil Laura Smith, Victor Leo Stedronsky · Yayınevi bilinmiyor

2306 sayfa · 1943

Agricultural colleges

Ashley R. Gulich, Gertrude L. Warren, Henry Walter Gilbertson, Orvis F. Johndrew, Woot-tsuen Wu Leung, William Eugene Hauver, Bernice Kunerth Watt, Rebecca Koonce Pecot · Yayınevi bilinmiyor

840 sayfa · 1951

4-H clubs

Charles Henry Domermuth · Yayınevi bilinmiyor

148 sayfa · 1971

Mycoplasma diseases

Bernice Wait, Charles Shelby Gibbs, Frank Alfred Hays, Henry Van Roekel, John Searls Bailey, Massachusetts Agricultural Experiment Station, William Samuel Mueller, Henry James Franklin, Madaline V. Cowing, Ralph Lyle France, Oreana Merriam · Yayınevi bilinmiyor

598 sayfa · 1934

Agricultural experiment stations

Alfred Judson Henry, Catherine Emma Pennington, Ferdinand Wead Haasis, Florence Elizabeth Ward, Frank Irons, Frederick Charles Lincoln, Freeman Weiss, Harold Addison Spilman, Herman M. Conway, John Robbins Mohler, , · Yayınevi bilinmiyor

Alice Linna Allen Bailey Nightingale, Charles Abel Bennett, Charles Brooks, Charles William Mann, Claude Hope, Dean Humboldt Rose, Dow Dewey Porter, Eloise Blaine Cram, · Yayınevi bilinmiyor

Henry Carrington Bolton · Yayınevi bilinmiyor

1284 sayfa · 1898

Industrial arts

Henry Carrington Bolton · City of Washington : Smithsonian institution

1280 sayfa · 1898

Industrial arts

Henry Van Roekel · Yayınevi bilinmiyor

24 sayfa · 1978

Northeastern Conference on Avian Diseases

William Henry White, Sears Polydore Doolittle · Yayınevi bilinmiyor

1276 sayfa · 1946

Agricultural colleges

Henry Carrington Bolton · Yayınevi bilinmiyor

1272 sayfa · 1897

Kategori yok

Charles Henry Domermuth · Yayınevi bilinmiyor

144 sayfa · 1971

Mycoplasma diseases

Henry Elliot Adler · Yayınevi bilinmiyor

166 sayfa · 1955

Poultry

Henry Ellsworth Ewing, Irving Fox · Yayınevi bilinmiyor

774 sayfa · 1943

Fleas

Hatch Experiment Station, Henry Van Roekel · Yayınevi bilinmiyor

32 sayfa · 1932

Agriculture

Byron Henry Van Roekel · Yayınevi bilinmiyor

198 sayfa · 1950

English language

Charles Henry Domermuth · Yayınevi bilinmiyor

96 sayfa · 1973

Mycoplasma diseases

Bruce Robert Poulton, Dean Fanning Tuthill, Geddes W. Simpson, Herman Henry Brugman, Homer Bastian Metzger, Louis A. Ploch, Moody Francis Trevett, Robert I. Ashman, Winston E. Pullen · Yayınevi bilinmiyor

812 sayfa · 1960

Animal industry

Dora Priaulx Henry · Yayınevi bilinmiyor

508 sayfa · 1931

Babesiosis in cattle