Mirra Alfassa (21 February 1878 – 17 November 1973), known to her followers as The Mother, was the spiritual collaborator of Sri Aurobindo. [...] The experiences of the last thirty years of Alfassa's life were captured in the 13-volume work The Agenda. (Wikipedia)
Ryan, James, "In the Lap of the Mother: Gleanings from the Mother’s Agenda on Higher Integral Practice" (2014). Founders Symposium. 24.