| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 373 | 1922 | Emanuel George Zies | Geophysical Laboratory | Fumarole minerals of the Katmai region |
| 2 | 467 | 1930 | Emanuel George Zies | Geophysical Laboratory | The analyst and geologist -- a study in cooperation |
| 3 | 559 | 1938 | Emanuel George Zies | Geophysical Laboratory | Santa Maria dome, Guatemala |