English medieval diplomatic practice
By: by Pierre Chaplais.
Contributors: Great Britain. Public Record Office.
Publisher: H.M.S.O.
Published: 1975
Place of publication: London
Language: eng
Subjects: Diplomatics -- England.; Great Britain -- History -- Medieval period, 1066-1485 -- Sources.
Notes: At head of title: Public Record Office. 
Table of contents: title: pt. 1. Documents and interpretation.; title: pt. 2. Plates.