Papal Decretals Listing Banned Books, 1657-1727, Four Examples.
Large-format broadsides on laid paper, each with woodcut emblems, portraits of Peter and Paul, and Papal coat of arms, all printed in Rome: ex typographia Reverendae Camerae Apostolicae, 1657, 1659, 1664, & 1727; deep type impressions, very good examples with deckle edges, old folds, the smallest one (1664), 14 3/4 x 10 1/4 in., the other three 22 x 17 in.

Each Decretal lists books banned by the Catholic church. All are rare.