- Dwayne R. Buxton, Silage science and technology, American Society of Agronomy, Inc., 2003, p.1
- William Shurtleff, Akiko Aoyagi, History of Soybeans and Soyfoods in Canada (1831–2010), Soyinfo Center, 2010, p.36
- σιρός, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus
- Eric Sloane's An age of barns. MBI Publishing Company.
- Lost Farms of McHenry County. Arcadia Publishing.