Cornell University Library · Nabu Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Introduction to the Study of Commerce: -1901 | 978-1-112-26727-7 (1-112-26727-1) | 2009 |
| Principles of Sociology With Educational Applications: -1920 | 978-1-112-26690-4 (1-112-26690-9) | 2009 |
| Principles of Sociology with Educational Applications | 978-1-142-54964-0 (1-142-54964-X) | 2010 |