15th century

De meditando seu meditandi artificio.

Hugh, of Saint-Victor, 1096?-1141.
Germany , after 1492.
PML 125704.2
Department: 

De natura deo[rum].

Cicero, Marcus Tullius.
[Venice] : Vindelinus de Spira, 1471.
PML 51562
Department: 

De quattuor virtutibus cardinalibus.

Henricus Ariminensis.
Strasbourg : [Printer of Henricus Ariminensis (Georg Reyser?), about 1473-1474].
PML 22590
Department: 

De re aedificatoria.

Alberti, Leon Battista, 1404-1472.
Florence : Nicolaus Laurentii, Alamanus, 29 December 1[4]85.
PML 44056
Department: 

De remediis utriusque fortunae.

Petrarca, Francesco, 1304-1374.
[Strasbourg] : [Heinrich Eggestein?], [not after 1474]
PML 35456.1
Department: 

De servitutibus urbanorum et rusticorum praediorum.

Cipolla, Bartolomeo, -approximately 1477.
[Perugia : Petrus Petri de Colonia, about 1475]; [Petrus Petri de Colonia and Johannes Nicolai de Bamberga]; [Johannes Vydenast et Socii, about 1473-74]
PML 28516
Department: 

De simonia.

Gerson, Jean, 1363-1429.
[Nuremberg] : [Johann Sensenschmidt and Andreas Frisner], [not after 1473]
PML 18322
Department: 

De simonia. Add: De probatione spirituum; De eruditione confessorum; De remediis contra recidivum peccandi.

Gerson, Jean, 1363-1429.
[Cologne : Ulrich Zel, about 1467-1472]
PML 19116.1
Department: 

De vanitate et miseria vitae humanae.

Trithemius, Johannes, 1462-1516.
Mainz : Peter von Friedberg, 1495.
PML 28070.5
Department: 

De vero bono.

Valla, Lorenzo, 1407-1457.
Louvain : [Rodolphus Loeffs de Driel], 1483
PML 33824
Department: