Einen kleinen Einblick in das schwedische Postsystems des 17. Jahrhunderts gibt der "Connecting the Baltic Area - The Swedish Postal System in the seventeenth century" Band von Heiko Droste.
http://www.diva-portal.org/smash/get/diva…/FULLTEXT01.pdf
Darin enthalten sind folgende Beiträge:
"The Development of the Swedish Post Office, c. 1600–1721"
"The Swedish Empire and Postal Communications: Speed and Time in the Swedish Post Office, c. 1680–1720"
"Johan Lange’s Inspection of the Estonian and Livonian Postal Systems, 1687–88"
"The Terms of Royal Service: Post Servants’ Finances, c. 1700"
"Livery Coat, Postal Horn, and the National Coat of Arms"
"News, Trust and Paris Fashion"