Charlesworth, Dorothy; Thornton, J. H. (1973). «Leather Found in Mediobogdum, the Roman Fort of Hardknott». Britannia4: 141–152. JSTOR525862. doi:10.2307/525862.
jstor.org
Charlesworth, Dorothy; Thornton, J. H. (1973). «Leather Found in Mediobogdum, the Roman Fort of Hardknott». Britannia4: 141–152. JSTOR525862. doi:10.2307/525862.
stoa.org
pleiades.stoa.org
A.S. Esmonde Cleary; R. Talbert; S. Vanderbilt; R. Warner; S. Gillies; T. Elliott. «Places: 89243 (‘Medibogdo’)». Pleiades. Henta May 25, 2013.