Agricultural engineering index.
- Reynoldsburg, Ohio Ann Arbor Agricultural Consulting Associates Order from Edwards Brothers, Ann Arbor 1961-<1982 >.
- v. <1-3 > 29 cm.
Vol. 3: By Carl W. Hall and James A. Basselman. Vol. 2: By G.E. Hall and C.W. Hall. Vols. 2-<3 >: Order from: St. Joseph, MI : American Society of Agricultural Engineers.