Duns Scotus, John ca. 1266-1308.
The "De Primo Principio" of John Duns Scotus /
a revised text and a translation by Evan Roche 
. - St. Bonaventure : Franciscan Institute, Louvain : E. Nauwelaerts,  1949 
. - xvii, 153 p.  23 cm. 
 - (Franciscan Institute publications  Philosophy series  ; no. 5 )
<br/>К.: Бібліогр. в підрядк. прим.