Handerson, Henry Ebenezer; Association, Cleveland Medical Library (1918). Gilbertus Anglicus, medicine, of the thirteenth century. Pub. posthumously for private distribution by the Cleveland medical library association. Retrieved 6 November 2012.[1]
Keil, Gundolf (July 21, 2002). "[Roger Frugardi and the tradition of Langobardic surgery]". Sudhoffs Archiv. 86 (1): 1–26. PMID12168232.
vt.edu
www2.cddc.vt.edu
Handerson, Henry Ebenezer; Association, Cleveland Medical Library (1918). Gilbertus Anglicus, medicine, of the thirteenth century. Pub. posthumously for private distribution by the Cleveland medical library association. Retrieved 6 November 2012.[1]
