A custumal is a medieval English document, usually edited and composed over time, that stipulates the economic, political, and social customs of a manor or town.

A Macaronic Medieval Poem in the Faversham Borough Custumal
Translation of German Medieval Local Custumal Rechte des Landes Blankenberg,1457
Translation ofGerman Medieval Manorial Custumal: Recht des Hoffs zu Loen 1363
A history of Preston Guild: The ordinances of various Guilds Merchant, the Custumal of Preston, the Charters to the Borough, the Inc...
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On the Hampton Custumal (ca. 1300)
Custumal (1391) and Bye-laws (1386-1540) of the Manor of Islip
An Unidentified Twelfth-Century Custumal of Lawshall (Suffolk)
The Anglo-Norman Custumal of Exeter by J. W. Schopp
CUSTUMAL: DATE WANTED