https://1776books.blogspot.com/2022/06/diplomatic-gifts-history-in-fifty.html
1776 Books: Diplomatic Gifts: A History in Fifty Presents (Paul Brummell)
Gifts between cities, states, heads of state, or nations are often done with a number of intended messages. Whether the gifts are tokens of ...
diplomatic giftsbooks
https://ambatlarge.substack.com/p/gift-guide-for-professionals
Protocol for Professionals: diplomatic gifts
How to avoid embarrassment and get it right
for professionalsprotocoldiplomaticgifts