Ceramah KH. Ghaffar Ismail, 23 September 1988 dan khotbah Jumat, KH. Moh. Ali Yafei di masjid agung Al A"raf, jl. Kwitang 8, Jakarta, 23/30 September 1988 - Ghaffar Ismail, Kiai Haji (Yayasan Idayu, 1988)