(en) C. Alex Alexander, MD, « Sarah Chacko - A voice of women in the ecumenical movement », The Christian Light of Live (an ecumenical christian news magazine for Kerala malayalee christians), vol. 4, no 11, (lire en ligne, consulté le ). Biographie de Chakko par Alexander, suivi d’une note de lecture du livre de Manoj Kurian Sarah Chakko: a voice of women in ecumenical movement.
C. Alex Alexander en 2005 : Sarah Chakko’s life is a testimony to the tenacity of a Christian woman’s commitment to do her part in the struggle for ensuring equality for all women, starting with Christian women so that they can serve as role models for all women of all faiths everywhere.Sarah Chacko - A voice of women in the ecumenical movement.
(en) « Miss Sarah Chakko passes away », Church Weekly, (lire en ligne, consulté le ). Cet article est repris de Indian Witness (un hebdomadaire de Lucknow), 28 janvier 1954.
(en) David A. Michelson, « Chakko, Sarah », sur syriaca.org, David A. Michelson, Vanderbilt University, (consulté le ). In Syriac Biographical Dictionnary.