Il segreto epistolare nel periodo della civiltà della carta
By: Giovanni Riggi di Numana
Publisher: Libreria Cortina
Published: 2008
Place of publication: Torino
Language: ita
Number of pages: 225
ISBN-13: 9788882391256
Subjects: Postal service; Security measures; History; Letter writing
Notes: Study of the methods used to ensure the closure and inviolability of letters entrusted to third parties for their safe delivery from the early use of paper in 13th-century Europe to the end of the 20th century.

Includes bibliographical references.