SIDOLOCUS or SIDOLEUCUS, in Gallia, is mentioned by Ammianus Marcellinus when he is speaking of Julian's march from Augustodunum to Autissiodurum. Sidolocum is supposed to be Saulieu [CHORA] [G.L]
Dictionary of Greek and Roman Geography, illustrated by numerous engravings on wood. William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.