| Special Catalogue "Airmail and Zeppelin Post" |
| Aviation, airmail, Catapult mail North Atlantic (1) |
| Aviation, airmail, Catapult mail South Atlantic (6) |
| Aviation, airmail, German airmail before 1950 (1) |
| Aviation, airmail, Pioneer Time (1) |
| Aviation, DO-X, flight covers (3) |
| Aviation, Pioneers, postcards (1) |
| Denmark, airmail (1) |
| Field Post, German Field Post WW II, Airmail Field (2) |
| German Reich (1) |
| German Reich, airmail (1) |
| Italy, airmail (1) |
| Luxembourg, airmail (7) |
| Soviet Union, airmail (1) |
| Switzerland, airmail (5) |
| Zeppelin, other airships (1) |
| Zeppelin, Schütte Lanz, postcards (1) |
| Zeppelin, Zeppelin mail before WW-I (6) |
| Zeppelin, Zeppelin mail before WW-I, Rhein-Main (7) |
| Zeppelin, Zeppelin mail LZ 127 (1) |
| Zeppelin, Zeppelin mail LZ 127, Chicago Flight (5) |
| Zeppelin, Zeppelin mail LZ 127, Danzig Flights (2) |
| Zeppelin, Zeppelin mail LZ 127, Dutch Flights (2) |
| Zeppelin, Zeppelin mail LZ 127, Egypt and Orient f (2) |
| Zeppelin, Zeppelin mail LZ 127, Germany Flights 19 (11) |
| Zeppelin, Zeppelin mail LZ 127, Iceland Flights (3) |
| Zeppelin, Zeppelin mail LZ 127, Italy Flights (3) |
| Zeppelin, Zeppelin mail LZ 127, North America Flig (1) |
| Zeppelin, Zeppelin mail LZ 127, Polar Flight (5) |
| Zeppelin, Zeppelin mail LZ 127, Russia Flights (7) |
| Zeppelin, Zeppelin mail LZ 127, South America Flig (22) |
| Zeppelin, Zeppelin mail LZ 127, Switzerland Flight (8) |
| Zeppelin, Zeppelin mail LZ 130, Germany Flights (2) |
| Zeppelin, Zeppelin mail LZ129, North America Fligh (13) |
| Zeppelin, Zeppelin mail LZ129, Olympic Flight (2) |
| Zeppelin, Zeppelin mail WW I, Field Post covers Ai (1) |
| Zeppelin, Zeppelin mail WW I, KommandoPostmarks (2) |
| Zeppelin, Zeppelin Memorabilia, Miscellaneous (2) |
| Zeppelin, Zeppelin postcards, 1900-1914 (3) |
| Zeppelin, Zeppelin postcards, Hansa (1) |
| Zeppelin, Zeppelin postcards, ILA - Frankfurt (1) |
| Zeppelin, Zeppelin postcards, LZ 127 (1) |
| Zeppelin, Zeppelin postcards, Saxonia (1) |
| Zeppelin, Zeppelin postcards, Schwaben (1) |
| Zeppelin, Zeppelin postcards, Viktoria Luise (1) |