| Member | Start Date | End Date | Status | Volume/Issue |
|---|---|---|---|---|
| Maurice Oerthel | Jun 14, 1920 | Jul 9, 1920 | Borrow | - |
| Maurice Oerthel | Dec 31, 1920 | Dec 31, 1920 | Purchase | - |
On the Origin of Species
| Member | Start Date | End Date | Status | Volume/Issue |
|---|---|---|---|---|
| Maurice Oerthel | Jun 14, 1920 | Jul 9, 1920 | Borrow | - |
| Maurice Oerthel | Dec 31, 1920 | Dec 31, 1920 | Purchase | - |