The Portuguese Missions in Malacca and Singapore (1511-1958).
Volume 1, 1987 Macau reprint, Volumes 2 & 3, first editions Three volumes, pp.502; 425; 508, illustrations, maps, wrappers. A very good set in original wrappers.
de Silva 2013
The first two volumes are on Malacca, the third published two years later covers Singapore.