"Inspeximusand confirmation, by advice and assent of the lords spiritual and temporal in the Parliament held at Westminster in the king's first year, to William la Zouche, knight, kinsman and heir of William la Zouche of Totteneys, and his heirs, of a charter dated 8 May, 10 Richard II, being a licencefor the said William la Zouche of Totteneys to make his manor (manerium) of Haryngworth into a castle. [Charter Roll 9 and 10 Richard II, 3.]"
Granted at Westminster, by King and Council in Parliament.
The 1431 entry is a charter of Inspeximus and confirmation of the 1387 entry.
Original source is
(In fact, the original source given is usually a transcription/translation of what are precious medieval documents not readily availably. It should be noted that these transcription/translations often date to the nineteenth or early twentieth centuries and that unwitting bias of transcribers may affect the translation. Care should also be taken to avoid giving modern meaning to the medieval use of certain stock words and terms.)
Significant later source are;
More details about licences to crenellate can be found here.
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