Lepers & Leprosy
Leprosy in Premodern Medicine: A Malady of the Whole Body

Leprosy in Medieval England

The Medieval Leper and his Northern Heirs

Leper Hospitals in Medieval Ireland: With a Short Account of the Military and Hospitaller Order of st Lazarus of Jerusalem

'Lepers outside the gate': Excavations at the Cemetery of the Hospital of St James and St Mary Magdalene, Chichester, 1986-93 (CBA Research Report)

There are many interesting webpages on the history of leprosy, including the Global Project on the History of Leprosy.

In addition to crutches and other sorts of mobility aids, other items somewhat particular to lepers to note include rattles or clappers and begging bowls.