TY - BOOK T1 - Part of the Opus Tertium of Roger Bacon, including a fragment now printed for the first time A1 - Bacon, Roger (O.F.M.) 1214?-1294 A2 - Little, A. G. 1863-1945 LA - English PP - Aberdeen PB - The University Press YR - 1912 UL - https://colectivo.uloyola.es/Record/T110711 OP - 92 CN - 276-7 ER -