| Title | Paper | Date | Type | ||
|---|---|---|---|---|---|
| 76 |
 |
Mt. Pleasant Pyramid | 1913-04-25 | unclassified | |
| 77 |
 |
Mt. Pleasant Pyramid | 1913-04-25 | unclassified | |
| 78 |
 |
Mt. Pleasant Pyramid | 1913-04-25 | unclassified | |
| 79 |
 |
Mt. Pleasant Pyramid | 1913-04-25 | unclassified | |
| 80 |
 |
Mt. Pleasant Pyramid | 1913-04-25 | unclassified | |
| 81 |
 |
Mt. Pleasant Pyramid | 1913-04-25 | unclassified | |
| 82 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 83 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 84 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 85 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 86 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 87 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 88 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 89 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 90 |
 |
Mt. Pleasant Pyramid | 1914-04-03 | unclassified | |
| 91 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 92 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 93 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 94 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 95 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 96 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 97 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 98 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 99 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified | |
| 100 |
 |
Mt. Pleasant Pyramid | 1914-04-10 | unclassified |