Dato' Dr. Hassan Ahmad : cendekiawan Melayu terbilang - Nor Azuwan Yaakob (Serdang, Selangor : Penerbit Universiti Putra Malaysia, 2013)
Koleksi Sumbangan : Datuk Abu Bakar Abd Hamid.
Koleksi sumbangan Tun (Dr.) Ahmad Sarji Abdul Hamid.
Keywords: Hassan Ahmad, -- Dato', -- 1936-2011.; Linguists -- Biography; Civil service -- Malaysia -- Biography; Malay language -- History and criticism; Malaysia -- Official and employees -- Biography