Repository of Arcane Knowledge

Historical Research

Research Papers | Source Texts | Writing Tips |Special Features

The Repository of Arcane Knowledge features scholarly essays in historical research and links to valuable collections of primary source texts, useful to amateur and professional historians alike. Additionally, tips and references on historical writing style and methodology are provided.

Essays on modern history, written in a less formal style, can be found in the Politics & Law section of this site.

Several of the essays below have been revised and compiled into the book From Medieval to Modern Man (available at, which includes a new introductory essay.

Research Papers

These are academically reviewed postgraduate research papers on medieval and early modern European history, with the most recent listed first.

Two undergraduate research papers of exceptional quality are also presented:

Source Texts and Other Historical Resources

Below are links to some extremely valuable source texts for historical research. Only reputable, accurate sources are included here.

Ancient (before AD 400)

Medieval (AD 400-1500)

  • Internet Medieval Sourcebook
    The best first stop for online medieval research, edited by Paul Halsall of Fordham University.
  • New Advent
    A Catholic website with a fairly comprehensive set of Patristic writings, as well as a user-friendly online Summa Theologica. Better known for its complete online Catholic Encyclopedia.
  • Sant'Agostino
    This Italian site (with multilingual introduction) contains an impressive Augustinian corpus in Latin and Italian.
  • Augustinian Studies at Villanova
    Villanova University provides extensive Augustinian writings and research tools at this site.
  • Decretum Gratiani
    This German site has a complete online copy (Latin text and scanned images) of Gratian's Decretum, as well as other source texts. Essential for historians of canon law.
  • Leeds Electronic Text Centre
    Leeds University provides several medieval sources, including French poetry and texts from the age of Gregory VII.
  • Islamic Studies
    The Muslim Student Association of the University of Buffalo has links to various hadith collections.

Early Modern (1500-1800)

  • Gallica Classique
    Gallica, a digital resource of the French National Library, has an extensive online collection (images of scanned originals) of early modern and medieval French writers, including the more obscure works of famous authors.
  • Bologna Science Classics Online<
    The University of Bologna is developing a collection of full text classics by Italian scientists.
  • Proyecto Amoxcalli
    Scans of Mexican codices and manuscripts from the 16th-18th centuries.
  • Autograph of Copernicus' De revolutionibus
    All six books of this priceless autograph of Copernicus' work have been scanned for public use.
  • LIBRO: The Library of Iberian Resources Online
    Mostly secondary sources (complete scholarly books with links to chapters) concerning medieval and early modern Spain.
  • The Galileo Project
    This site at Rice University is the most comprehensive online English-language source on Galileo. Includes collection of letters from Galileo's daughter.
  • Biblioteca Feijoniana
    Digital collection of the works of Feijoo and his contemporaries.

Modern (1800-present)

It is easy to find good sources on modern history, so it would be superfluous to produce a list. Here are a couple of interesting sites for those concerned with the less public side of history:

Various Periods

  • IntraText Digital Library
    Thousands of source texts in dozens of languages, including special collections of religious writings (papal and conciliar writings, and libraries of religious orders).
  • Internet History Sourcebooks
    Sourcebooks in ancient, medieval, and modern history, edited by Paul Halsall of Fordham University. The medieval sourcebook is one of the more comprehensive sources on the web.
  • Project Gutenberg
    Thousands of classic books online, including many of historical interest.
  • The Archimedes Project
    Hundreds of scanned sources in the history of mechanics from antiquity through early modernity.

If you know of a specialized collection of online historical texts that you would like to see added to this list, please contact me.

Special Features

© 2005-2017 Daniel J. Castellano. All rights reserved.