| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Farm Management Study: A Comparative Study of the Success of a Number of Farms in Rock County, Wisconsin, from the Financial Records Taken for the Years 1914 and 1915 | 978-1-145-6O921-1 (1-145-6O921-X) | 2010 |
R. S. · R Schafer · R. Walter · Raymond S. · Raymond Schafer · Raymond W. · W.S. · W. Schafer · Walter S. · Walter Schafer