Paul of Venice : Logica Magna, Part II, Fascicule 3, "Tractatus de Hypotheticis" Broadie, A. 9780197260951 Classical and Medieval Logic Texts Heftet 01.12.1990 Engelsk Midlertidig utsolgt
Paul of Venice : Logica Magna, Part II, Fascicule 8, "Tractatus de Obligationibus" Ashworth, E. Jennifer 9780197260654 Classical and Medieval Logic Texts Heftet 31.12.1989 Engelsk Midlertidig utsolgt