| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 307 | 1916 | Robert Browning Sosman; John Clyde Hostetter |
Geophysical Laboratory | Zonal growth in hematite and its bearing on the origin of certain iron ores |
| 2 | 314 | 1917 | John Clyde Hostetter | Geophysical Laboratory | The linear force of growing crystals |