Sri Aurobindo
Letters on Himself and the Ashram
The Complete Works of Sri Aurobindo. Volume 35
His Life and Attempts to Write about It
 On His 
Published Prose Writings
Yogic Sadhan [4]
The Yogic Sadhan has its use, but it is not one 
of the main or 

 most important books published 
among mine, nor is it my own writing.
most important books published 
among mine, nor is it my own writing.
6 December 1935