| Rec | Mtg# | Year | Authors | Institution | Talk title |
|---|---|---|---|---|---|
| 1 | 357 | 1921 | Anna Isabel Jonas; Eleanora Frances Bl Knopf |
Maryland/Pennsylvania Geological Surveys | Stratigraphy of the metamorphic rocks of southeastern Pennsylvania and Maryland |
| 2 | 379 | 1923 | George Willis Stose; Anna Isabel Jonas |
USGS | Ordovician overlap in the Piedmont of Pennsylvania and Maryland |
| 3 | 426 | 1927 | George Willis Stose; Anna Isabel Jonas |
USGS | Ordovician shale and associated lava in southeastern Pennsylvania |
| 4 | 447 | 1929 | Anna Isabel Jonas | Md/Pa/Va Geological Surveys | Structure of the metamorphic belt of the central Appalachians |
| 5 | 513 | 1934 | Anna Isabel Jonas | USGS | Hypersthene granodiorite in Virginia, its change to unakite and its age |
| 6 | 520 | 1934 | Anna Isabel Jonas | USGS | Pre-Devonian structural zones in Scotland and eastern North America |
| 7 | 524 | 1935 | George Willis Stose; Anna Isabel Jonas |
USGS | An erosion remnant of an overthrust sheet in the highlands near Reading, Pa. |