1. Awwad, H. K.: Personal communication, July, 1957.
2. Reticulo-endothelial Granulomatosis; Report of Two Cases of Hand-Schüller-Christian Disease;Blanchard;Am. J. Dis. Child.,1948
3. Reticulo-endotheliosis of Children: Treatment With Roentgen Rays;Childs;Radiology,1951
4. Defects in Membranous Bones, Exophthalmos and Diabetes Insipidus;Christian,1919
5. Defects in Membranous Bones, Exophthalmos and Diabetes Insipidus;Christian;M. Clin. North America,1920