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Our Source Collections

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University, Private, and Public Libraries We Have Consulted On Site

The Beinecke Library, Yale University, New Haven, CT (photo displayed above; credit: Comerford, October 2016.  Copyright information for photos taken at the Beinecke is available here).  Part of this research was supported by a grant from the Beinecke Library.

Yale University Law Library, New Haven, CT

The Folger Shakespeare Library, Washington, DC (Copyright information for photos taken at Folger is available here)

Hendrik Conscience Library, Antwerp

Katholieke Universiteit Leuven libraries, Leuven

Princeton University Firestone Library and Princeton University Marquand Art Library, Princeton, NJ.  Part of this research was supported by a grant from the Princeton University Friends of the Library.

Emory University Rose Library and Pitts Theology Library, Atlanta, GA.  See the blog post from 3/25/2019 for information on a presentation we gave there.

CRAI (Learning and Research Resources Centre) Biblioteca de Reserva (Rare Book and Manuscript Library) at the University of Barcelona (for more, see the blog post from 6/10/2019).

BPEB (Library of the Episcopal Seminary of Barcelona) (for more, see the blog post from 6/10/2019).

John Carter Brown Library, Brown University, Providence, RI

Biblioteca Nazionale CentraleFlorence, Italy

Library of Congress, Washington, DC


Woodstock Theological Library and Lauinger Library of Georgetown University, Washington, DC

University of Antwerp, Antwerp, Belgium

Biblioteca Comunale dell'Arciginnasio, Bologna, Italy

Maurits Sabbe Library at KU Leuven

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Archives We Have Consulted On Site

Antwerp: Plantin-Moretus Museum, Library, and Archive, Antwerp, Belgium (photo displayed above; credit: Comerford, August 2016)


Rijksarchief Antwerpen, Antwerp

Rijksarchief Leuven, Leuven

Archivio di Stato di Ferrara, Ferrara, Italy

Archivio di Stato di Modena, Modena, Italy

Archivio Arcivescovile di Bologna, Bologna, Italy

Archivio di Stato, Florence, Italy

Archivum Romanum Societatis Iesu, Rome, Italy


I thank the following for their financial support of this project over the years and for allowing on-site access to their collections:

Yale University, Beinecke Library (short-term grant, 2016)

Princeton University Library Friends of the Library (short-term grant, 2018)

Georgia Southern University (Educational Leave, Fall 2016, travel support, graduate and undergraduate student research assistants [for credit and paid], and Digital Commons training, expertise and support)

We have also used the online catalogues of many libraries, including those at the University of Texas at Austin, University of Pennsylvania, the Biblioteca de Castilla-La Mancha, Biblioteca centrale della Regione Siciliana, Biblioteca Nazionale Centrale di Firenze, Biblioteca Nazionale Centrale di Roma, Biblioteca regionale universitaria di Messina, Austrian National Library, Morgan Library, Boston College Library, Newberry Library, various libraries at Durham University, New York Public Library, Biblioteca Trivulziana of Milan, Duke University Library, University of Kent Libraries, Royal Library of Belgium, Cambridge University, Emory University, University of Glasgow, Biblioteca Augusta di Perugia, Harvard University, the British Library, National Library of Medicine (Bethedsa, MD), Universidad Pontificio de Comillas, Scottish National Library, University of London, McGill University, Universidad de Sevilla, Universidad Complutense de Madrid, Hereford Cathedral Library, Biblioteca provinciale dei Cappuccini di Palermo, Biblioteca Statale Isontina Gorizia, and the Biblioteca centrale della Regione siciliana (Palermo); the digital collections at Hathitrust, Google Books, Bayerische StaatsBibliothek digital, LIAS (KU Leuven),, Internet Culturale, Pinterest,, the Pre-Reformation Digital Library; historic and current auction and bookseller catalogues of Sotheby's, Forum Auctions,, Bayntum,, Nederlandsche Vereeniging van Antiquaren,, Classic Books and Ephemera, Govi, Philobiblion, Law Book Exchange,, Quaritch, Fondo Antiguo, Christie's; and printed sources on the Jesuit studies as well as on the history of books and printing.