Digby 37, 14th century, fols. 46-55r, “Expliciunt Secreta fratris Alberti de Colonia, ordinis fratrum praedicatorum, super naturis quarundam herbarum lapidum, et animalium.”
Digby 147, 14th century, fols. 107-113v, “Secreta fratris Alberti de Colonia, ordinis fratrum Predicatorum super naturis quorundam herbarum et lapidum et animalium efficacia in diversis libris philosophorum reperta et in unum collecta.”
Digby 153, 14th century, fols. 175-179, “Secreta fratris Alberti ordinis fratrum Predicatorum.”
Bodleian 177 (Bernard 2072), late 14th century, fol. 30r-32v, an incomplete text.
CU Trinity 1351, late 15th century, fols. 33-39 (unfinished).
In Continental Libraries
Berlin 968, 14th century, from England, fol. 298-, “Incipiunt secreta Alberti Coloniensis de ordine predicatorum.... Expliciunt secreta Alberti Coloniensis de ordine predicatorum.”
Bologna University Library, MS 135, 14th century, fols. 25r-31r, “Albertus Magnus, Liber aggregationis seu liber secretorum.”
Library of the Dukes of Burgundy, 5275, 14th century, Alberti Teutonici, De tredecim herbis, “Sicut dicit philosophus ...”; 10872, 16th century, Alberti Magni Secreta, “Occurrit ante mihi ...” which is not the usual Incipit.
Wolfenbüttel 2650, 14-15th century, fols. 202 (or more likely 206, as a portion of the de plantatione arborum seems to have been confused in the catalogue of Heinemann with the Secreta)-213, “Expliciunt secreta Alberti de Colonia super naturis quorundam animalium, herbarum et lapidum in diversis libris philosophorum respersa. Deo gratias.”