I recommend checking out these websites about the Middle Ages and medieval women.
Internet Medieval Sourcebook at Fordham University is a highly recommended scholarly source, including actual texts from the Middle Ages, as well as historical information. http://www.fordham.edu/Halsall/sbook.asp.
Here are some examples:
A basic bibliography of writings by and about women in the Middle Ages.
http://www.fordham.edu/halsall/med/womenbib.asp.
The actual testimony of the heretic Na Prous Boneta.
http://www.fordham.edu/halsall/source/naprous.asp
A letter to Eleanor of Aquitaine. http://www.fordham.edu/halsall/source/eleanor.asp.
The Canons of the Fourth Lateran Council, 1215. http://www.fordham.edu/halsall/basis/lateran4.asp
Information about films set in the Middle Ages. http://www.fordham.edu/Halsall/medfilms.asp
Flip through many digitized manuscripts online. A good place to start includes university libraries and museums, such as:
British Library: http://www.bl.uk/manuscripts/Default.aspx.
Oxford University: http://image.ox.ac.uk/
Bodleian Library: http://bodley30.bodley.ox.ac.uk:8180/luna/servlet/ODLodl~1~1
You can browse at Parker Library: http://parkerweb.stanford.edu/parker/actions/page.do?forward=home
Through this portal you can explore the Getty Museum’s amazing collection of manuscripts: http://digitizedmedievalmanuscripts.org/paul-getty-museum/
Here is the St. Albans Psalter belonging to Christina of Markyate. http://www.abdn.ac.uk/stalbanspsalter/english/index.shtml
Selected Website Bibliography
A Medieval Woman’s Companion. The website and blog accompanying this book. https://amedievalwomanscompanion.com/.
Epistolæ: Medieval Women’s Letters. Letters to and from medieval women. http://epistolae.ccnmtl.columbia.edu/
Feminae: Medieval Women and Gender Index. This wonderful site allows you to search for non-book sources (reviews, journal articles, etc.) according to topic or author.
http://inpress.lib.uiowa.edu/feminae/Default.aspx.
Labyrinth. https://blogs.commons.georgetown.edu/labyrinth/.
Medieval Feminist Forum. This site allows you access to articles that have appeared in the Journal of the Study for Medieval Feminist Scholarship. http://ir.uiowa.edu/mff/.
Home page for the Society for Medieval Feminist Scholarship. http://smfsweb.org/.
Comprehensive Bibliography of Medieval Queens and Queenship. http://theresaearenfight.com/.
Anglo-Saxon Penitentials. http://www.anglo-saxon.net/penance/.
A good general site is http://www.medievalists.net/.
Educational and fun films about the Middle Ages are at YouTube.
The Evelyn Thomas Database of Medieval English Embroidery. http://ica.princeton.edu/opus-anglicanum/index.php
Index of Medieval Medical Images. http://digital.library.ucla.edu/immi/.
Find out about Brigittine nuns. http://birgittaskloster.se/en/.
For more about Hildegard: http://www.abtei-st-hildegard.de/?page_id=11.
For more on Hildegard and how she is inspirational to a modern audience today, visit http://healthyhildegard.com/.
International Joan of Arc Society. http://faculty.smu.edu/bwheeler/ijas/.
You can friend the International Marie de France Society on Facebook.
You can find out lots about Margery Kempe, including her pilgrimage routes, here: http://college.holycross.edu/projects/kempe/.
Resource for the study of women’s religious communities from 400 to 1600 C.E. http://www.monasticmatrix.org/.
A comprehensive discography for Hildegard: http://www.medieval.org/emfaq/composers/hildegard.html. More recordings become available all the time. Check YouTube for performances and music.
Discography for early women musicians. http://earlywomenmasters.net/cds/index.html.