What was the 1956 situation for farm businesses in Iowa? To help answer this question, 955 Iowa farm operators kept records in cooperation with the Extension Service. Here's the story the records tell.
Howell, H. B.
"Farm Income and Costs - 1956,"
Iowa Farm Science: Vol. 12
, Article 2.
Available at: https://lib.dr.iastate.edu/farmscience/vol12/iss2/2