Limit by calendar year: 2011 All
| Lehman-Webster.pdf | 306 |
| Lehman-Webster.pdf.txt | 26 |
| license.txt | 1 |
| 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 | |
| Lehman-Webster.pdf | 5 | 8 | 3 | 2 | 1 | 2 | 7 | 2 | 4 | 1 | 24 | 33 | 18 |
| Lehman-Webster.pdf.txt | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 2 | 2 | 7 | 4 | 4 |
| license.txt | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Describing grey literature again: a survey of collection policies | 378 |
| United States of America | 166 |
| Sweden | 21 |
| Switzerland | 16 |
| China | 16 |
| France | 15 |
| Canada | 13 |
| United Kingdom | 12 |
| Japan | 10 |
| India | 7 |
| Ukraine | 7 |
| Washington | 44 |
| 28 | |
| Saint Gallen | 16 |
| Mountain View | 14 |
| Östersund | 13 |
| Corvallis | 9 |
| Philadelphia | 8 |
| Seattle | 7 |
| Beijing | 6 |
| Edmonton | 5 |