Collins, David J. (primavera 2010). «Albertus, Magnus or Magus? Magic, Natural Philosophy, and Religious Reform in the Late Middle Ages». The University of Chicago Press. Renaissance Quarterly. 63 (1): 1–44. JSTOR10. PMID20527358. doi:10.1086/652532
jstor.org
Howard, Edwin J. (dezembro de 1942). «Four Words in Coxe's a Short Treatise... of Magicall Sciences». The Johns Hopkins University Press. Modern Language Notes. 57 (8): 675. JSTOR2910532
Friedenwald, Harry (janeiro de 1942). «Apologetic Works of Jewish Physicians». University of Pennsylvania Press. The Jewish Quarterly Review. 32 (3): 237. JSTOR1452355
Thorndike, Lynn (julho de 1927). «Alfodhol and Almadel: Hitherto Unnoted Mediaeval Books of Magic in Florentine Manuscripts». Medieval Academy of America. Speculum. 2 (3): 327. JSTOR2847724
Collins, David J. (primavera 2010). «Albertus, Magnus or Magus? Magic, Natural Philosophy, and Religious Reform in the Late Middle Ages». The University of Chicago Press. Renaissance Quarterly. 63 (1): 1–44. JSTOR10. PMID20527358. doi:10.1086/652532
nih.gov
ncbi.nlm.nih.gov
Collins, David J. (primavera 2010). «Albertus, Magnus or Magus? Magic, Natural Philosophy, and Religious Reform in the Late Middle Ages». The University of Chicago Press. Renaissance Quarterly. 63 (1): 1–44. JSTOR10. PMID20527358. doi:10.1086/652532