Annamma Jēkkab. Bālāmaṇiyammakkavita, 1981: p. 7 (En. Bālāmaṇiyamma)
New Delhi MARC file, 6/6/88 (hdg.: Balamani Amma, Nalappat, 1909- ; usage: Bālāmaṇiyamma) New Delhi manual auth. cd. (variants: Balamaniamma; Balamani Amma)
WW of Ind. writers, 1983: p. 40 (Balamani Amma, Nalapat; Balamani Nair; b. 7/19/1909; Hons. "Sahitya Nipuna" in San.)
Kuṭuṃbini, 1949: t.p. (Nālappāṭṭ Bālāmaṇiyamma)