- CollectieDX19 - Cotton Family Papers
- ReeksF - Edward Octavius Cotton and Elizabeth (Grueber) : 184 to 218
- 8 more...
- Stuk201 - Mary Spencer (nee Grueber) to sister Helen
- Stuk202 - Letters from Hannah Grueber (nee Fletcher wife of S. H. Grueber jr.)to Helen
- Stuk203 to 213 - Letters from friends to Helen Grueber
- Stuk214 - Helen Grueber (Mrs E.0. Cotton) - poetry
- Stuk215 - Drawing exercise books Helen Grueber
- Stuk216 - School exercise book - E.H. Grueber
- Stuk217 - Helen Grueber - Miscellaneous
- Stuk218 - Stephen Henry Grueber (father of Helen) - family history