Kerrich, Thomas, Rev - Artist
Cathedral of Orvieto No.
The Great Door, as I conceive it was originally design'd, before Nic: Pisano's alterations of the front. Taken from Hier. Frezza's Print.
Archæologia XIX. p. 368.
On the Use of the Figure called Vesica Piscis in the Architecture of the Middle Ages, and in Gothic Architecture; by
T. Kerrich, M.A., F.S.A., January 1820.
Archæologia XIX. p. 353.
Reference (free text)
T Kerrich, 'Observations on the Use of the Mysterious Figure, Called Vesica Piscis, in the Architecture of the Middle Ages, and in Gothic Architecture', Archaeologia 19 (1821): 353-68.Illustration (Engraving), fig. 42, pl. XXIX, between pp. 368 and 369.