- ZbirkaDX19 - Cotton Family Papers
- SerijaF - Edward Octavius Cotton and Elizabeth (Grueber) : 184 to 218
- 7 more...
- Dokument200 - Letters from S.H. Grueber and his wife to daughter Helen
- Dokument201 - Mary Spencer (nee Grueber) to sister Helen
- Dokument202 - Letters from Hannah Grueber (nee Fletcher wife of S. H. Grueber jr.)to Helen
- Dokument203 to 213 - Letters from friends to Helen Grueber
- Dokument214 - Helen Grueber (Mrs E.0. Cotton) - poetry
- Dokument215 - Drawing exercise books Helen Grueber
- Dokument216 - School exercise book - E.H. Grueber
- Dokument217 - Helen Grueber - Miscellaneous
- Dokument218 - Stephen Henry Grueber (father of Helen) - family history