Barr, Martin W., 1860–1938
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2066510A
- pdbooks.info ID: 6594
Martin W. Barr Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| Types of mental defectives | 1920 | Author | |  | |  | |    
| |