found: Sutuq Bughrakhan, 1987:t.p. (Săipidin Ăzizi [may also be read Săypidin Ăzizi]) Chinese colophon (Saifuding Aizezi)
found: Tŭrklerin Müslümanlığa geçişi, 2000:t.p. (Seyfeddin Aziz) p. 10 (Uighur; b. Mar. 12, 1915, Xinjiang)
found: Saifuding hui yi lu, 1993:t.p. (Saifuding Aicezi)
found: Who's who in China current leaders, 1989:p. 575 (Seypidin Azizi, or, Sai-fu-ting Ai-tse-tzu; b. 1915; native of Artux, Xinjiang; Uighur nationality)
found: Ömür dastani, 1990:t.p. (Săypidin Ăzizi) colophon (Saifuding·Aizezi = 赛福鼎·艾则孜)