| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 264 | 1913 | Joseph Theophilus Singewald Jr. | Johns Hopkins University | Relations of ilmenite and magnetite in titaniferous magnetites |
| 2 | 452 | 1929 | Joseph Theophilus Singewald Jr.; Charles Milton |
Johns Hopkins University | Greisen and associated mineralization at Silver Mine, Missouri |