Douglass, Harl R.
Nationality: 
(Unknown)
Identities and Authority Control
- pdbooks.info ID: 85645
Harl R. Douglass Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Supervision in secondary schools | 1934 | Author | |  |  | | | ||