vol. 4: Tomi 5. tractatus posteriores et indices generales - Bernardus : Claraevallensis, santo. (OLS)http://ftis/name/90848; Mabillon, Jean. (OLS)http://ftis/name/53119 (Sancti Bernardi abbatis Clarae-Vallensis Opera Omnia, post horstium denuo recognita, repurgata, et in meliorem digesta ordinem, 1839)