- CollectionDX19 - Cotton Family Papers
- SeriesF - Edward Octavius Cotton and Elizabeth (Grueber) : 184 to 218
- 11 more...
- Item214 - Helen Grueber (Mrs E.0. Cotton) - poetry
- Item215 - Drawing exercise books Helen Grueber
- Item216 - School exercise book - E.H. Grueber
- Item217 - Helen Grueber - Miscellaneous
- Item218 - Stephen Henry Grueber (father of Helen) - family history