williammorrislibrary.wordpress.com
¶ Astesano — Summa de casibus conscientiae (1473?)
Astesano [Astesanus, de Ast]. Summa de casibus conscientiae. [Strassburg: Johann Mentelin, not after 1473.] Provenance: Morris. — Richard Bennett. — Sotheby 1898, lot 139 (sold to Leighton for £4).…