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 such productions. All that has been said in the chapter "Duties Imposed by Law and by Nature" applies to them. Faithful Catholics will make no difference, neither for themselves nor for those entrusted to their care, between these publications and those expressly prohibited. "He who touches pitch shall be defiled by it." (Eccli. 13, 1.)

The following list contains a number of titles which it might be practical for English Catholics to know. Nearly all those put on the Index during the last few years have been mentioned, because they contain the palmary heresy of our times, namely: Modernism, and among its various errors especially the un-Christian treatment of the Bible. Some of these books have been and others may soon be translated into English. Their titles as well as those of most other foreign books are given in English. Place and date of publication have been added to those prohibited after the appearance of the first edition of this booklet.