Rule VIII.
Books, whose prominent subject is good, in which, however, some things are incidentally inserted, which have a tendency to heresy or impiety, divination or superstition, may be allowed, when expurgated by Catholic theologians, by the authority of a general inquisition. Let the same judgment be formed touching prologues, summaries, or annotations, which have been annexed by condemned authors to books not condemned. But let them afterwards not be printed unless emended.
Rule IX.
All books and writings in geomancy, hydromaney, aeromancy, pyromancy, oneiromancy, chiromancy, necromancy, or those in which drawing lots, sorceries, auguries, auspices, incantations of the magic art are contained, are altogether rejected. But let the bishops carefully see, that books, treatises, indices of judicial astrology be not read or kept, which dare to affirm something certain as likely to happen regarding future contingent successes, or fortuitous casualties, or those actions which depend on the human will. But judgments and natural observations are allowed, which are written for the purpose of aiding navigation, agriculture, or the medical art.
Rule X.
In the printing of books or other writings, let that which was enacted in the Council of Lateran under Leo X., Session 10, be observed. Wherefore, if in the noble city of Rome any book is to be printed, let it be first examined by the vicar of the supreme pontiff, and the master of the sacred palace, or by persons to be deputed by our most holy lord. But in other places, let the approbation and examination of it appertain to the bishop or another person acquainted with the book or writing to be printed, such person to be deputed by the same bishop, and an inquisitor of heretical depravity of that state or diocese in which the printing will take place, and under the penalties and censures contained in the same decree, let it be approved by their hand, to be imposed by their own subscription, gratuitously, and without delay, this law and condition being
