His 1997 : Hong Kong's financial prospects, [1997]: t.p. (Donald Tsang)
Zeng Yinquan zhuan (曾蔭權傳), 2005: t.p. (Zengyinquan [in rom.]; Xianggang te shou) p. 147, etc. (b. Hong Kong, Oct. 7, 1944; Zeng Yinquan; Donald Tsang)
Web page of Hong Kong SAR Government Information Centre, Oct. 3, 2005 (Donald Tsang Yam-kuen; Chief Executive; his signature: Donald Tsang, Zeng Yinquan [in Chi.])