Kemtron-Conqueror Cable
Kemtron-Coronardo Towers
Kemtron-Camelac
Kemtron-Alpha from Aug 1970 (Thorn)
Kemtron Directors File No. 3: Mr. C.K. Yap, including Mr. H.B. Lim and Mr. Daryl Parker
Kemtron Directors File No. 2: Mr. D.N.S. Blair, Dr. F.H. Barr-David, Mr. R.G. Simpson, Mr. P.L. Russell
Kemtron Directors-General file
Kempthorne Lighting Co. Management Meetings minutes