The files were housed at the National Agricultural Library after it was completed in 1942.
At an unknown date the National Agricultural Library deaccesioned the collection and custody
was transferred to the University Center for Cooperatives at UW Extension. In 1975,
Professor David K. Oyler, the Director of Steenbock Library took custody of the files and
they were transferred to Steenbock Library. In 2018, custody of the files were transferred
to UW-Madison University Archives.