Division of the Tithe in Spain
Regulation by the Fourth Council of Toledo in 633 taking power from the lower clergy to the bishops. From the Medieval Sourcebook.
Lay Tithes
Article in the Catholic Encyclopedia on the alienation of tithes from the church.
On Tithes
Proclomation from the Holy Roman Emperor Louis the Piousin 817. From the. Medieval Sourcebook
The Irish Canons: Collection of the Tithe
From the Medieval Sourcebook.