Limit by calendar year: 2011 All
| Morph_Bees_68-142_ocr.pdf | 2213 |
| Morph_Bees_1-67_ocr.pdf | 1048 |
| THEBIOLOGYANDEXTERNALM.pdf | 536 |
| Morph_Bees_68-142_ocr.pdf.txt | 37 |
| Bio_External_Morph_Bees_ocr.pdf.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 | |
| THEBIOLOGYANDEXTERNALM.pdf | 0 | 0 | 0 | 0 | 0 | 13 | 20 | 33 | 57 | 62 | 118 | 135 | 98 |
| Morph_Bees_1-67_ocr.pdf | 47 | 38 | 46 | 24 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Morph_Bees_68-142_ocr.pdf | 36 | 37 | 20 | 28 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Morph_Bees_68-142_ocr.pdf.txt | 1 | 6 | 4 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bio_External_Morph_Bees_ocr.pdf.txt | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| The biology and external morphology of bees ; with a synopsis of the genera of northwestern America | 2466 |
| United States of America | 1367 |
| United Kingdom | 182 |
| India | 73 |
| Canada | 71 |
| China | 59 |
| France | 48 |
| Brazil | 43 |
| Germany | 42 |
| Egypt | 30 |
| Philippines | 28 |
| Corvallis | 142 |
| Riverside | 127 |
| 103 | |
| London | 98 |
| Washington | 58 |
| Mountain View | 49 |
| Beijing | 36 |
| Davis | 34 |
| Scranton | 33 |
| Seattle | 32 |