1. Ajello L. Histoplasmosis — a dual entity; histoplasmosis capsulati and histoplasmosis duboisii. L'Igiene Moderna 1983; 3–30.
2. Rippon JW. Medical Mycology, The Pathogenic Fungi and Actinomycetes. Philadelphia: W.B. Saunders, 1988; 424–432.
3. Coulanges P, Raveloarism G, Ravisse P. Existence de l'histoplasmose à Histoplasma duboisii en dehors de l'Afrique continental (à propos du premier cas magalache). Bull Soc Path Exot Filiales 1982; 75: 400–403.
4. Gugnani HC. The pattern of deep mycoses in Nigeria. W Afr Med J 1983; 2: 67–71.
5. Muotoe-Okafor FA. Aspects of the ecology, pathogenicity and physiology of Histoplasma capsulatum var. duboisii and some other pathogenic fungi. Ph.D. thesis 1995, University of Nigeria, Nsukka, Nigeria.