Dr. Dieter Rübsamen

  • Yannick Weber M.A.

Akademie der Wissenschaften und der Literatur

Geschwister-Scholl-Str. 2

D-55131 Mainz


work +49(0)6131-577-211

Already in the 1990s the Regesta Commission was planning the publication of their research results. In the first instance a CD-version of the cumulated first ten regesta issues of the department Frederic III was realised in 1998. In order to use the quickly developing Internet technology for research purposes, all regesta volumes published to this date were retrodigitised in a DFG-project in cooperation with the Bavarian State Library (BSB) in 2001. Since then the RI Online has been available for the general public.

I. Regesta Database

In the Regesta Database all volumes of the regesta imperii published since 1839 are available in full text. Thus more than 130.000 regesta of ruler and papal deeds from the Carolingians up to Maximilian I. (751-1519) are researchable. All forthcoming publications are made digitally available as soon as possible.

The database is freely accessible, unrestrictedly searchable and covered by a CC BY 4.0 International licence. The content of the printed volumes were copied unaltered in order to maintain long-term transparency and citeability. To nevertheless compensate the heterogeneity of the underlying data and to facilitate working with the entire database, attempts were made to align design and structure of the presentation as far as possible. Thus subdivisions into regesta texts, tradition and commentary are to be found to a large extent. Additionally the dating and the place of issue are always indicated. Gradually original dating, chancery memorandums, witnesses, incipits etc. are being optically processed and being made searchable separately.

Apart from online database’s numerous search functions, which thanks to a comfortable and effective research are able to handle the immense data volume and are especially fit to compensate the disadvantages of the divisions Regesta of Frederick III and of Louis the Bavarian published by provenance, a big advantage also lies in the fact that the digital data remain expandable and correctable. Since 2009 this has been guaranteed by user generated addenda which by now makes almost 100 hints and suggestions for improvement from our users – after examination by our editorial staff– visible for the general public. Furthermore were the volume editors’ published corrections themselves integrated into the corresponding regesta data records via the note “improvements and addendums”

As opposed to the printed volumes the database moreover provides the opportunity to directly link the literature referred to in the RI-OPAC and thus even dissolves ambiguous short titles. The short titles used in the OPAC-Kurztitel can be found here. Similarly references to other regesta and external services, which offer images or full texts of deeds, are linked. Thus reciprocal cross-linking with the images of Marburger Lichtbildarchiv (LBA) and with two digitalization projects of the Hessian state archive in Marburg via the archive database Archivdatenbank Arcinsys, that is to say the deeds of the imperial abbey Fulda and those from the Hersfeld inventory were created. Additionally the exact pieces of the editions of the (digital) MGH, in particular the diplomata as well as the images of the emperor's charters, and of the Württembergischen Urkundenbuchs Online are linked. Those links are to be found with the respective regest in single view via “further information” in the right column. At the same time the respective tradition quality of the linked piece was identified where possible.

The regesta database may also be accessed via rest interface, which includes a representation of the regesta according to the CEI-pattern (Charters Encoding Initiative of the LMU Munich). Via regesta-imperii.de/cei/ you’ll find regesta collections sorted by volumes. Further informationen about the API can be found here.

To the Regesta Database

II. Register

Place and personal registers are an essential tool when working with regesta. They are vital for research in the regesta database, as the problem of variants and linguistic diversities becomes apparent here. Within the full-text search entries may be overlooked, which the register by corresponding references to all entries belonging to a regest records. After extensive preparatory work the register shall be made available online in 2015. The register of the divisions published by provenance Louis the Bavarian & Frederick III have already been cumulated and reprocessed, so that they are available online as PDF-versions hier . The Integration of the register, which had previously only been available as PDDs, into the database provides additionally the opportunity to refer to external biographical databases, to include cartographic material and thus to register personnel-spatial networks in future.

registers as PDF documents


III. RIplus

After long preliminary works RI Online will enrich the regesta database under the label “RIplus” from mid-2015 onwards with regesta, which have not been published in the printed volumes of the Regesta Imperii. Thus the database shall on the one hand be supplemented by work-in-progress data, partially as advance versions of volumes which have not yet been published, partially as addendums. With this the partially edited version of the regesta of Charles IV, which has so far only been offered as PDF, as well has the in the meantime digitised Nachlass of Wilhelm Hanisch (†1985), which includes extensive and unpublished material on King Wenceslaus and his time (which has not yet been covered by the RI), will be made available and searchable.

Furthermore, the regional powers shall be included in the database, in consideration of the significance of the Great for the empire’s history. The basis for this are the regesta volumes having been compiled in diverse contexts outside of the Regesta Imperii. Those shall be consolidated which allows a new approach by searching through the entire database. Firstly the regesta of the counts Palatine of the Rhine and the Margraves of Baden shall be made available online amongst others. By integrating the regesta of the Archbishop of Mainz the database quasi offers the history prior to the Mainz “Ingrossaturbücher” (minute and administrative books), which were already partly digitised by the Institut für Geschichtliche Landeskunde (institute of historical regional studies) in Mainz. With RIplus a platform shall be offered, which enables other institutions to make their digitised sources on the empirical powers available online. As a first partner wanting to seize this opportunity the “Schwäbische Forschungsgemeinschaft” (Swabian research community) was won, which is going to publish the regesta of the Augsburg Bishops here. Additionally, they kindly permitted the regesta commission to include the Ausburg regesta that have already been published on their website, too.


IV. e-Publication

Within the rubric „e-Publications“ partial results from the work of the Regesta Imperii are being published, which would otherwise take years to be published as print versions. For instance, there is to be found the PDF of a regesta fascicle of 9.300 documents, drawn up by Charles IV as king and emperor. Work-in-progress deed regesta of the entire reign of Henry IV (1056-1106) are also available. Apart from those publications exclusive online supplements, on the regesta of Sigismund (supplied by the Hungarian Zsigmondkori) and on issue 6 of Frederick III’s regesta are to be found.

Within those work-in-progress offers the Frederick III database has a special position. By now the so far unique collection includes about 30.000 entries of widely unpublished material‒ a sign of the frequently underrated productivity of the Habsburg emperor, especially by older research. The database consisting of archival evidences, reference works, as well as evidences from secondary literature is via links to the regesta database and the RI-OPAC integrated in the entire research services. The database, which is constantly supplemented, corrected and expanded, constitutes an indispensable work tool for the RI sub-project Regesta of Frederick III.



The RI-OPAC is an openly accessible literature database for the medieval research into the entire European linguistic area, taking all specialist disciplines into consideration.

The database completely records the zitierte Literatur in the regesta publications and serves as a linked bibliography to the online service. Furthermore, it is available as an universal research tool due to a deep development of dependent literature (essays, book proceedings) from a Vielzahl of journals and edited volumes even from remotest provinces, due to the broad registration of all medievalist branches and of publications from the 16th century up until today. Nowadays more than 1,9 million titles, of which 1,5 million alone are essays, have been gathered. The OPAC is being updated and expanded continously by monthly updates

The systematic Thesaurus offers the possibility of displaying database entries arranged by subject, time periods or regional allocation and thus searching for specialist literature specifically. Within the Thesaurus field “authors” Integrated Authority File-links are offered. By accurate linking to the Karlsruhe Virtual Catalogue (for monographs and anthologies) or to the Zeitschriftendatenback (German union catalogue of serials) (for journals) the RI-OPAC additionally allows finding stock details for dependent literature. Publicly accessible digital contents are also referred to.

We are looking forward to your references to publications not recorded. You can contact us here.

search the OPAC


V. Publications

Publikationen zu RI Online


  • rezensiert von: Köbler, Gerhard, in: Zeitschrift der Savigny-Stiftung für Rechtsgeschichte: Germanistische Abteilung 120 (2003), S. 437.
  • rezensiert von: Lutter, Christiane, in: Zeitschrift für Historische Forschung 35 (2008), S. 502-505.
  • rezensiert von: Weller, Tobias, in: Rheinische Vierteljahrsblätter 78 (2014), S. 234-241.Diese Rezension online einsehen

Über RI Online

  • Buch und Internet. Aufbereitung historischer Quellen im digitalen Zeitalter. Beiträge zum Workshop am 24. und 25. Februar 2005. Mainz 2005Download
  • Fees, Irmgard (Hrsg.): Urkundendigitalisierung und Mittelalterforschung. Beiträge zum Expertengespräch / Workshop zur Begleitung des DFG-Projekts „VdU – Virtuelles deutsches Urkundennetzwerk" (25. Mai 2012, Hessisches Staatsarchiv Marburg). Mainz 2013.Diesen Beitrag online einsehen
  • Heing, Paul-Joachim: Die Herausforderung der "Neuen Medien" (CD-Rom, Bildplatte und Internet). Zukünftige Gestaltungsfragen und Publikationsformen am Beispiel der Regesta Imperii, in: Die Regesta Imperii im Fortschreiten und Fortschritt (2000), S. 129-148
  • Kuczera, Andreas: Die Regesta Imperii Online, in: Historisches Forum 10 (2007) Diesen Beitrag online einsehen
  • Kuczera, Andreas; Rübsamen, Dieter: Verborgen, vergessen, verloren? Perspektiven der Quellenerschließung durch die digitalen 'Regesta Imperii', in: Forschung in der digitalen Welt. Sicherung, Erschließung und Aufbereitung von Wissensbeständen (2006), S. 109-124 Diesen Beitrag online einsehen
  • Würz, Simone: Mittelalterliche Quellen im Internet: Aspekte der Digitalisierung und Vernetzung der Regesta Imperii Online, in: Archive im Web - Erfahrungen, Herausforderungen, Visionen. Hrsg. v. Thomas Eigner u.a - St. Pölten (2011), S. 162-171.
  • Würz, Simone; Lenglachner, Moritz: Blick in die Historikerwerkstatt: Die Arbeitswelt der Regesta Imperii - Historische Grundlagenforschung im Wandel, in: Skriptum 2/1 (2012) Diesen Beitrag online einsehen

Online-Datenbanken Friedrich III.

  1. Friedrich III. (1440-1493) - Kumuliertes Register. Kumuliertes Register (basierend auf der CD-Rom Ausgabe 1998), laufend bearbeitet und erstellt von Dieter Rübsamen und Volker Manz (1998-2015). Register als PDF
  2. Urkunden-Datenbank Friedrich III. - Materialsammlung der Arbeitsstelle „Regesten Kaiser Friedrichs III. (1440-1493)“ der deutschen Kommission für die Bearbeitung der Regesta Imperii e.V. bei der Akademie der Wissenschaften und der Literatur in Mainz sowie der interakademischen Partnerprojekte. Suche in der Urkundendatenbank