The text is contained in the following manuscripts:
Praha, Národní knihovna ČR, IV D 6
Edition:
?Constabulinus, De differentia spiritus et animae, ed. C. S. Barach, in C. S. Barach, Excerpta e libro Alfredi Anglici de motu cordis. Item Costa-Ben-Lucae de differentia animae et spiritus, Innsbruck 1878.
Literature:
J. Truhlář, Catalogus codicum manu scriptorum latinorum qui in c. r. Bibliotheca publica atque Universitatis Pragensis asservantur, Vol. I, Prague 1905, 265.