Callis, Robert, 1920–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL129695A
- pdbooks.info ID: 159552
Robert Callis Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| A casebook of counseling | 1955 | Author | |  | |  | | 
| |