| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Inquiring about people | Hardcover | 978-0-03-089782-5 (0-03-089782-3) | 1976 | |
| Inquiring about people | 978-0-03-086332-5 (0-03-086332-5) | 1972 | [series] general editor ยท William R. Fielder | |