Farm records
Hopkins, John Abel.
Farm records - 3 ed. - Ames : Iowa State College, 1949 - 303 p.
16464
Agricultura--Contabilidad.
631.16 / H65 1949
Farm records - 3 ed. - Ames : Iowa State College, 1949 - 303 p.
16464
Agricultura--Contabilidad.
631.16 / H65 1949
