Book Censorship and Banned Books: the Index Librorum Prohibitorum

Did you know that the earliest known list of recommended and banned books dates from about 496? It was issued by Pope Gelasius I.

Printed lists of banned books existed since the beginning of the escalating religious conflicts of the 1520s. They were published in the Dutch Catholic regions (1529), in Venice (1543), and in Paris (1551). The first Roman list was published in 1557 but it was soon withdrawn.

Index Librorum Prohibitorum from 1564 published in Portugal,
Biblioteca Nacional de Portugal, public domain

The first official Roman Index of banned books was published in 1559 under Pope Paul IV. It contained approximately 550 religiously, morally and politically controversial authors, as well as individual works.

The Pauline Index from 1559, Národní knihovna České republiky,
No Copyright – Non-Commercial Use Only

The Index was often republished as the spread of printing, the development of sciences, and the fast-changing social and political circumstances increased the number of authors and works endangering the religious and the political authorities. The 20th edition of the Index was published in 1948, and was ultimately abolished by Pope Paul VI in 1966. It coexisted with other censorship lists, like the Catalogus librorum a Commissione aulica prohibitorum, which was published between 1754 and 1780 during Maria Theresa’s rule.

The Catalogus librorum a Commissione aulica prohibitorum from 1768,
Österreichische Nationalbibliothek – Austrian National Library, No Copyright – Non-Commercial Use Only

The most dangerous authors on the Index belonged to the so-called ‘first class’ of banned authors – that is, the most dangerous.  The most common reason for an author or an individual work to be put on the Roman Index was a deviation of his views from the official Catholic Church doctrine. Other reasons were that the authors or their works were considered to be politically subversive, or morally contentious.

Frontispiece with St. Peter and Paul who, inspired by the Holy Spirit, are destroying blasphemous books. 
Index librorum prohibitorum, 1711, Bavarian State Library, No Copyright – Non-Commercial Use Only

Numerous authors resorted to publishing their works under pseudonyms. Printers and the publishers also sometimes disguised their identity, by giving fictitious printing places or printers’ names on title pages. Banned books could be confiscated, and the authors, as well as the booksellers, could be fined or persecuted. There were even a couple of ‘trials and executions’ of banned books, like the public burnings of Helvetius’s De l’esprit in Paris in 1785.

Title page from the 1739 edition of Blaise Pascal’s Les provinciales published under a pseudonym of
Louis de Montalte, 
Bavarian State Library, No Copyright – Non-Commercial Use Only

As all banned things only tend to increase the curiosity of the public, no official Church or secular suppression was able to prevent the curious readership from acquiring and reading banned authors and their works. The Church authorities followed the latest heresies, therefore a considerable number of banned books found their way into ecclesiastical libraries. Private book collectors often kept the lists of banned books in order to keep up with the novelties on the book market. Book censorship gave rise to a lively black market for banned literature.

By dr. Sonja Svoljšak, Manuscript, Rare and Old Prints Collection, Special Collections Division, National and University Library, Slovenia

 

Interested in Index Librorum Prohibitorum? Stay tuned for another blog about Banned Authors coming up! Both blogs are part of the Rise of Literacy project, where we take you on an exploration of literacy in Europe thanks to the digital preservation of precious textual works from collections across the continent. 

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9 thoughts on “Book Censorship and Banned Books: the Index Librorum Prohibitorum

  1. I much more interested about banned books created in modern (seemingly illuminated times). It is much more instructive to know
    the practices of German nazis.or especially Russian communists which were in action by the beginning of 1990s and involved most of ex communist countries. They have caused terrible intellectucal,mental and cultural losses drawing considerable part of literature and culture into an abyss. These shameful practices should be constantly reminded and their organizers condemned !
    It had happened not in far off Asia or Africa but in the very heart odf Europe ! ! !

    1. Books are still being banned today but seldom by the Church or the government. Most often they take place in community libraries and/or school districts by parents that don’t want their 16-17 year old “children” to be hurt by reading something harsh–like Mark Twain’s The Adventures of Huckleberry Finn or Satanic Verses. As if most of them don’t already know. They just didn’t tell their parents. Adults can’t seem to realize in the States or in the EU that kids are much smarter than the parents give them credit for.

  2. I think it’s interesting how societal fears can be speculated and identified from different time periods based on the type of books being banned.

  3. The Catholic Church maintained a register of banned musical works also. Composers such as Rossini and Verdi both made it into the register among many others over the years. As tastes changed so two did the list but mostly it had to do with the notion of heightened emotion leading to a loss of focus on the central purpose of the liturgy.

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