| Title | Paper | Date | Type | ||
|---|---|---|---|---|---|
| 201 |
 |
Mt. Pleasant Pyramid | 1915-10-29 | unclassified | |
| 202 |
 |
Mt. Pleasant Pyramid | 1915-10-29 | unclassified | |
| 203 |
 |
Mt. Pleasant Pyramid | 1915-10-29 | unclassified | |
| 204 |
 |
Mt. Pleasant Pyramid | 1915-10-29 | unclassified | |
| 205 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 206 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 207 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 208 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 209 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 210 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 211 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 212 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 213 |
 |
Mt. Pleasant Pyramid | 1916-10-06 | unclassified | |
| 214 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 215 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 216 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 217 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 218 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 219 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 220 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 221 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 222 |
 |
Mt. Pleasant Pyramid | 1916-10-13 | unclassified | |
| 223 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 224 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified | |
| 225 |
 |
Mt. Pleasant Pyramid | 1916-10-20 | unclassified |