Yeo, S.S. Tan Cheng Lock, the Straits legislator ... c1990 t.p. (Tan Cheng Lock) pref. (Tun Tan Cheng Lock) pref. verso (Sir Tan Cheng Lock) p. 1 (b. 1883) p. 75 (d. 1960)
Scott-Ross, A. Tun Dato Sir Cheng Lock Tan, 1990 t.p. (Tun Dato Sir Cheng Lock Tan, S.M.N., D.P.M.J., K.B.E., J.P.) p. 302 (3rd Malayan Chinese knighted in post WW II, conferred Dato in 1949, and awarded Tun in 1958)