Search the Duke Catalog using the "Subjects" (the terms below are just a selection to get you started) below:
Secondary scholarly literature can lead you to primary sources; check the footnotes and bibliographies of the following sample titles:
The study of medieval daily life became a respected field in the early 20th century; there is a large body of literature in this area; use the few samples below to find more:
Click into the catalog record and use the Subject tab to find similar books
Look at the footnotes and the bibliography of the chapters; they will give you names and titles of primary sources