1. The Pathology of the Human Placenta;Benirschke, K.; Driscoll, S.G.,1967
2. Fox, H. (1975). Morphological pathology of the placenta. In ThePlacenta and its Maternal Supply Line, edited by P. Gruenwald, chapter 2, p. 366. University Park Press, Baltimore.
3. Syphilis of the placenta. The histologic examination of 1085 placentas of mothers with strongly positive blood Wasserman reactions;McCord, J.R.;American Journal of Obstetrics and Gynecology,1934
4. Fibrosis of the placenta: its significance in the normal and in the syphilitic organ;Montgomery, T.L.;American Journal of Obstetrics and Gynecology,1936
5. Placental abnormalities of congenital syphilis: a neglected aid to diagnosis;Russell, P.; Altshuler, G.;American Journal of Diseases of Children,1974