Pondicherry, India: Sri Aurobindo Ashram Press, 1998. — 614 p.
Vol.13 The complete works of Sri Aurobindo
This collection of short prose works,written by Sri Aurobindo between 1909 and 1950 and published during his lifetime,deals primarily with aspects of spiritual philosophy and yoga.
Essays from the Karmayogin 1909 – 1910
The Yoga and Its Objects (circa 1912)
Writings from the Arya (1914 – 1921)
From the Standard Bearer (1920)
From the Bulletin of Physical Education (1949 – 1950)