1930 “A Dutch doctor at Kandy in 1739.” Journal of the Dutch Burgher Union of Ceylon 20 (1930-192231): 169-173.
1931 “Prince Crumpty-Pippit and governor Van Eck.” Journal of the Dutch Burgher Union of Ceylon 21: 92-95.
1948 & D.R. Wijewardene, The Ferguson section of Mr. D. R. Wijewardene’s library, Colombo(?) [1948].
1952 & Richard Leslie Brohier, Land, maps and surveys: descriptive catalogue of historical maps in the Surveyor General’s Office, 2 vols, Colombo: Ceylon Government Press.
1953 “The outbreak of the Kandyan-Dutch war in 1761 and the Great Rebellion.” JRAS (CB) ns III: 29-52.
1954 Secret minutes of the Dutch political council, 1762, Colombo: Government Press (Dutch records 748).
1970 The Tudugala family: some notes on the Tudugalas in the reign of Rajasingha II: compiled from official records and private family documents as well as published works, Dehiwala: Tisara Prakasakayo.
1980 “The 1638 Westerwolt treaty in Ceylon: charges of Dutch deceit disproved.” BTLV 136,2/3: 321-352.
1989 Ed. of: Robert Knox, An historical relation of the island Ceylon, rev., enl. & brought to the verge of publication as the 2nd ed,. Dehiwala: Tisara Prakasakayo.