| Title | Urwelt der Schweiz... |
| Abbreviation | Urwelt Schweiz. |
| Authors | O. Heer |
| Publication Dates | Part 1, 1864; part 2, 1865 |
| TL2 | 2.545 |
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| Title | Urwelt der Schweiz... |
| Abbreviation | Urwelt Schweiz. |
| Authors | O. Heer |
| Publication Dates | Part 1, 1864; part 2, 1865 |
| TL2 | 2.545 |