found: Kutay, C. Celâl Bayarʾın yazmadığı, yazamadığı ... 1982:t.p. (Celâl Bayar) p. 8, etc. (b. Umurbey, Turkey, 5/16/1883; Bayar, Mahmut Celaleddin; Mahmut Celaleddin; Celâl Bey; Mahmud Celâl Bey; Mahmut Celâl Bey; Galib Hoca; Galip Hoca; Mahmud Celaleddin)
found: Büyük lûgat ve ansikl., 1969-1973(Bayar, Mahmut Celâl; b. Bursa, 1883; Mahmut Celâl Bey; Celâl Bayar)
found: Encyc. Brit. 15th ed.(Bayar, (Mahmud) Celâl; b. 1884; statesman, 3rd president of Turkish Republic (1950-1960))
found: Colliers, 1973:under Turkey (Celal Bayar)
found: Encyc. Amer., 1975(Bayar, Mahmud Celâl; b. 1883)
found: Fotoğraflarla Celâl Bayar, 1987?:p. 5 (Bayar, Mahmut Celâl; 5/16/1883-8/22/1986)