Landeskunde der Provinz Schlesien
- 184 pages
- 7 hours of reading
Fedor Sommer Book order (chronological)
September 21, 1864 – June 16, 1930
Heimatatlas von Schlesien
- 84 pages
- 3 hours of reading
Landeskunde Schlesien
- 224 pages
- 8 hours of reading
Die Geschichte Schlesiens
- 137 pages
- 5 hours of reading
