- Cottrell, H. M.,
Cottrell, H. M., 1863-1926 (Nombre personal)
- Cottrell, Henry Mortimer, 1863-1926
Growing alfalfa in Kansas, 1902: cover (H.M. Cottrell; Kansas Experiment Station)
History of the Kansas state agricultural college, 1909: p. 131 (Henry Mortimer Cottrell; b. 29 July 1863 in Mendon, Ill.; professor of agriculture of the Kansas State Agricultural College, 1887-1901; asst. at Kansas Experiment Station, 1888-?; BS 1884, Kansas State Agr. College; MS 1887, Kansas State Agr. College)
Findagrave.com, July 31, 2012 (Henry Mortimer Cottrell, b. 29 July 1863; d. 22 Nov. 1926)