Knoop, Douglas, &Jones, G <^
The medieval mason. An economic history of
English stone building in the later Middle Ages
and early modern times. g,° Manchester 193?.
^Publications of the university of Manchester
Economic history series 8.

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The mediæval mason. An economic history of
English stone building in the later Middle Ages
and early modern times. 8:0 Manchester 1933.
-Publications of the university of Manchester
Economic history series 8.
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