Books by O. O. Churchill:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Churchill, O. O. (Omar Orlando): Cereal crop experiments (North Dakota Agricultural College, Government Agricultural Experiment Station for North Dakota, 1907), also by John J. Shepperd (page images at HathiTrust)- Churchill, O. O. (Omar Orlando): Cotton culture (Oklahoma Agricultural and Mechanical College, Agricultural Experiment Station, 1912), also by A. H. Wright (page images at HathiTrust)
- Churchill, O. O. (Omar Orlando): Cowpea culture (Oklahoma Agricultural and Mechanical College, Agricultural Experiment Station, 1914) (page images at HathiTrust)
- Churchill, O. O. (Omar Orlando): The distribution of pedigree seed (North Dakota Agricultural College, Government Agricultural Experiment Station for North Dakota, 1908), also by John H. Shepperd (page images at HathiTrust)
- Churchill, O. O. (Omar Orlando): Experiments with Indian corn, forage crops, leguminous crops (North Dakota Agricultural College, Government Agricultural Experiment Station for North Dakota, 1907), also by John H. Shepperd (page images at HathiTrust)
- Churchill, O. O. (Omar Orlando): The grain sorghums (Oklahoma Agricultural and Mechanical College, Agricultural Experiment Station, 1914), also by A. H. Wright (page images at HathiTrust)
- Churchill, O. O. (Omar Orlando): Potato culture (North Dakota Agricultural College, Government Agricultural Experiment Station for North Dakota, 1911), also by John H. Shepperd (page images at HathiTrust)
Find more by O. O. Churchill at your library, or elsewhere.