Jackson, Thomas Graham, Sir, 1835-1924 · Cambridge, University Press · leaf 360
of oftimber and tile, and this wall having but little weight tocarry could safely be pierced by these open arcades. Insome cases the outside of the dome may be seen throughthe arches but generally there is a back wall to thegallery. Now and then, as in two churches at Lucca andthe baptistery at… … BERGAMO Plate LXIX
