| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 18 | 1894 | Frank Hall Knowlton† | USGS | Fossil plants as an aid to geology |
| 2 | 75 | 1898 | Frank Hall Knowlton† | USGS | The Belly River horizon on the upper Missouri River |
| 3 | 153 | 1904 | Frank Hall Knowlton† | USGS | Fossil floras of the Yukon |
| 4 | 230 | 1910 | (Charles) David White†; Frank Hall Knowlton |
USGS/US National Museum | Evidences of paleobotany as to geological climate |
| 5 | 246 | 1911 | Frank Hall Knowlton† | USGS | Further data on the stratigraphic position of the Lance formation ("Ceratops Beds") |
| 6 | 263 | 1913 | Frank Hall Knowlton† | USGS | A paleobotanical study of the coral bearing rocks of the Raton Mesa region of Colorado and New Mexico |
| 7 | 315 | 1917 | Frank Hall Knowlton† | USGS | Principal results of the monographic study of the Laramie flora |
| 8 | 329 | 1918 | Frank Hall Knowlton† | USGS | Evolution of geologic climate. (Presidential Address) |