| Source: St. Louis Zoological Society Bulletin, 1947-1954 Location: Oversize / St.L. / 05 / Sa24z2 | |
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| Last Name: | Block |
| First Name: | Percy |
| Middle Name: | S. |
| Volume: | 1 |
| Issue: | 2 |
| Date of Publication: | October 1947 |
| Page: | 8 |
| Remarks: | in list of new members |
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