| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Conflict And The Web Of Group Affiliations | 978-0-02-928840-5 (0-02-928840-1) | 1964 |
| Philosophy of Money | 978-0-415-34172-1 (0-415-34172-8) | 2004 |
| The Sociology of Georg Simmel | 978-0-02-928920-4 (0-02-928920-3) | 1964 |