Changes in farm organization and operation in a central Indiana township, 1910-1955 /
Eisgruber, Ludwig Maria,author.
Janssen, Melvin R.,author.
Purdue University.Agricultural Experiment Station,publisher.
United States.Agricultural Research Service.Farm Economics Research Division.
Title from front cover.
"In cooperation with Farm Economics Research Division, Agricultural Research Service, United States Department of Agriculture."
Includes bibliographical references.