Hill, Arthur George.
The organ-cases and organs of the middle ages and renaissence / A. G. Hill ; with a new introduction and notes on the plates by W. L. Sumner
. - Buren : F. Knuf, 1975 . - 259 p. : ill. ; 25 cm ( Bibliotheca organologica : facsimiles of rare books on organs and organ building
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