1. Revisione di alcune specie del g. Actinomyces;BALDACCI E.;Mycopathologia (The Hague),1938
2. BERGEY D. H. ET AL. 1923 Bergey's manual of determinative bacteriology 1st ed. The Williams & Wilkins Co. Baltimore Md.
3. BLANCHARD R. 1896 Parasites veg6taux A l'exclusion des bact 6ries. Traite de pathologie generale pp. 811-932 Tome II. Ed. by Ch. Bouchard G. Masson Paris.
4. Nocardiosis in the dog; a case report;BOHL E. H.;J. Am. Vet. Med. Assoc.,1953
5. A contribution to the study of mycetoma in North;BOYD M. F.;America. Am. J. Trop. Med. Hyg.,1921