See the works of Amort and Du Molinet, mentioned under CANON.
Eusebius Amort, in 1735, admits the gravest differences of opinion; and the Bishop of Newport writes (p. 163) " to receive an Indulgence of a year, for example, is to have remitted to one so much temporal punishment as was represented by a year's canonical penance.
The greatest orthodox authority is Eusebius Amort, De Origine, &c., indulgentiarum (1735).
EUSEBIUS AMORT (1692-1775), German Catholic theologian, was born at Bibermiihle, near T61z, in Upper Bavaria, on the 15th of November 1692.
Amort, who had the reputation of being the most learned man of his age, was a voluminous writer on every conceivable subject, from poetry to astronomy, from dogmatic theology to mysticism.