| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 11 | 1894 | William Bullock Clark | Johns Hopkins University | Certain climatic features of Maryland |
| 2 | 117 | 1901 | William Bullock Clark | Maryland Geological Survey | The Maryland Geological Survey |
| 3 | 131 | 1902 | William Bullock Clark; A. Bibbins |
Maryland Geological Survey | The Potomac Group in Maryland |
| 4 | 131 | 1902 | William Bullock Clark; George Curtis Martin |
Maryland Geological Survey | The correlation of the coal measures of Maryland. |