More on how to play Fief France 1429. A dude (Fabrizio N) published on Board Game Geek an excellent reference for the use of cards and relics.

Above you can find the link to download the file and the link to the web page where the guy published it.

Fief_Cards_and_Relics_Refence_2.0.pdf

Author: Fabrizio N
Link: https://boardgamegeek.com/filepage/144965/fief-france-1429-cards-and-relic-reference