[GAIUS libro quarto ad edictum prouinciale. ] §41.3.9.prUsucapionem recipiunt maxime res corporales, exceptis rebus sacris, sanctis, publicis populi Romani et ciuitatium, item liberis hominibus.
[GAIUS, On the Provincial Edict, book 4] Usucapion admits chiefly corporeal things, with the exception of sacred things, sanctioned things, public property of the Roman people and of municipalities, and likewise free men.