Limit by calendar year: 2011 All
| OregonsFirstCenturyFarming.pdf | 141 |
| May 2011 | June 2011 | July 2011 | August 2011 | September 2011 | October 2011 | November 2011 | December 2011 | January 2012 | February 2012 | March 2012 | April 2012 | May 2012 | |
| OregonsFirstCenturyFarming.pdf | 3 | 4 | 4 | 4 | 0 | 0 | 1 | 3 | 6 | 3 | 25 | 31 | 24 |
| Oregon's first century of farming : a statistical record of agricultural achievement and adjustment : 1859-1958 | 38 |
| United States of America | 17 |
| China | 8 |
| Japan | 4 |
| Germany | 1 |
| United Kingdom | 1 |
| Corvallis | 10 |
| Portland | 3 |
| Beijing | 2 |
| Washington | 2 |
| Donald | 1 |
| Karlsruhe | 1 |
| London | 1 |
| Salem | 1 |