@book{UBHD-1063746, author={North, Gottfried}, title={Lebendige Postgeschichte}, publisher={Verl. f. Wiss. u. Leben}, address={Bad Windsheim/Mittelfranken}, year={1966}, pages={S. 402 - 443}, language={ger}, library={UB [Signatur: 66 B 2836]}, }