| Dr. Black's theme: "Teaching conservation" |
|---|
| Result ID: 8853 |
| Title: Dr. Black's theme: "Teaching conservation" |
| Date Published: 10/01/1952 |
| Author: |
| Source: Index 44:23, pg 1 |
| Subject(s): BLACK, JOHN |
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| Dr. Black's theme: "Teaching conservation" |
|---|
| Result ID: 8853 |
| Title: Dr. Black's theme: "Teaching conservation" |
| Date Published: 10/01/1952 |
| Author: |
| Source: Index 44:23, pg 1 |
| Subject(s): BLACK, JOHN |