Natrah (1937-2009) : Nadra @ Huberdina Maria Hertogh @ Bertha : Nadra @ Huberdina Maria Hertogh @ Bertha : cinta, rusuhan, air mata - Fatini Yaacob (Skudai, Johor Bahru: UTM, 2010)
Gift: En. Hasrom Haron
Includes bibliographical references
Keywords: Hertogh, Maria; Riots -- -- History -- -- Singapore; Muslims -- -- History -- -- Singapore; Singapore -- -- History -- -- 1945-1963