Her Ku̲riññippūkkaḷ, 1987: t.p. (Sugatakumāri) t.p. verso (Sugathakumari) p. facing t.p. (b. 1934; M.A.(phil.); edit., Taḷirȧ, Mal. monthly; principal, Jawahar Balabhavan, Trivandrum)
New Delhi MARC file, 6/17/88 (hdg.: Sugathakumari; usage: Sugatakumāri) New Delhi non-MARC file (usage: Sugatakumāri)
Sāhityakāra ḍayar̲akṭar̲i, 1976: p. 562 (Sugatakumāri, Bi.)
Sahyahr̥dayaṃ, April 2018: t.p. (Sugatakumāri) p. facing t.p. (born January 1934 in Kerala, India; famous Malayalam poet, social and environmental activist; recipient of Kerala and Central Sahitya Academy awards, Sarasvati Samman, Padmasri, and other awards)
Indian Express, Dec. 23, 2020: Renowned Malayalam poet-activist Sugathakumari dies of Covid-19 complications (passed away Wednesday [Dec. 23]; born January 22, 1934) https://indianexpress.com/article/india/sugathakumari-dead-7116387/lite/