Natrah (1937-2009) : Nadra @ Huberdina Maria Hertogh @ Bertha : cinta, rusuhan, air mata - Fatini Yaacob, 1958- (Skudai, Johor Bahru : Universiti Teknologi Malaysia, 2010)
Bibliografi:mukasurat [459]-463.
Keywords: Hertogh, Maria, -- 1937-2009.; Riots -- Singapore -- History; Muslims -- Singapore -- History; Singapore -- History -- 1945-1963.