Peace
of God - Synod of Charroux, 989 (Internet Medieval Sourcebook).
Truce
of God, 1063(Internet Medieval Sourcebook).
Unclear what "feudalism" means? So are a lot of scholars!
Feudalism is a modern term that has been used to describe an economic system, a method of raising armies, a style of decentralized government, or some combination of them all. Paul Halsall's Internet Medieval Sourcebook includes a section on "feudalism" and whether the term is useful.
Here are some individual documents about the legal and
social status of lords and knights.
Some of the earliest references to knights are church enactments that attempted to keep unruly "horsemen" under control:
Fulbert
of Chartres: On Feudal Obligations, 1020 (Internet Medieval
Sourcebook).
Agreement
between Count William V of Aquitaine and Hugh IV of Lusignan
(Internet Medieval Sourcebook).
Crusader Orders:
Various
documents and encyclopedia entries on the knightly orders
founded in the twelfth and centuries (Internet Medieval Sourcebook).
Oaths of homage and other legal obligations:
Homages
Paid by the Counts of Champagne (Hillsdale College).
John
of Toul's Homage to the Count of Champagne (Hillsdale College).
Relief
for Succession to a Fief, 1233 (Internet Medieval Sourcebook).
The
Manner of Doing Homage & Fealty c. 1275, England (Internet
Medieval
Sourcebook).
The
Collection of Scutage, 1159-1195 (Internet Medieval Sourcebook).
Historical
Materials on Knighthood and Chivalry index