TY  - BOOK
AU  - Sieger (Firm)
TI  - Zeppelin-post Katalog
CY  - Lorch/Wurttemberg, [Germany]
PB  - Sieger-Verlag
KW  - Air Mail
KW  - Dirigible and Zeppelin Mail
KW  - Postal Markings
KW  - Postal History
KW  - Flights
KW  - First Flights
KW  - Souvenir Covers
KW  - Covers
KW  - Postal Issues
KW  - Transoceanic Mail
KW  - World War I, 1914-1918
KW  - Catalogs and Price Lists
KW  - Postal Routes
ER  -