Profiles of involvement.
| Corporate Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
[Philadelphia],
[publisher not identified] ;
[1972]
|
| Subjects: |
| Physical Description: | 3 volumes (843 pages) : illustrations ; 28 cm. |
|---|---|
| Bibliography: | Includes bibliographies. |
| ISBN: | 0913272000 |