Regesta Imperii offers a chronological index of source documents, with brief summaries and genealogical charts. Also includes online historical monographs and an exhaustive bibliography of journals and periodical articles on European medieval history.  In German, French, Latin. Digital ed. of the revision (issued in printed form, 1877-, by the Kommission für die Neubearbeitung der Regesta Imperii of the Österreichische Akademie der Wissenschaften, and other bodies) of J.F. Böhmer's Regesta Imperii, the first part of which he originally published in 1829. 

Medieval travel writing offers manuscripts (13th-16th centuries) largely on journeys to the Holy Land, India and China. Manuscripts from the British Library; Bodleian Library; Bibliothèque nationale de France; Cambridge University Library; Trinity College, Cambridge; Universitätsbibliothek Heidelberg; Staatsbibliothek zu Berlin, Österreichische Nationalbibliothek; Stiftsbibliothek St. Gallen; the Beinecke Library (Yale) and about 15 other repositories

Inter Libros: Research Guide for Classics, Byzantine, and Medieval Studies

Medieval Travel Writing

Medieval Family Life: The Paston, Cely, Plumpton, Stonor and Armburgh Papers