There are many papal pronouncements against Freemasonry; the most prominent include:
Before Pius IX
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Pius IX
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Leo XIII
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References
McInvale. Reid. c. 1992. presented 1992-06-13. Roman Catholic Church law regarding Freemasonry. Transactions. 27. Waco, TX. Texas Lodge of Research A.F. & A.M.. 10269407. . a personal website.