AVAILABLE EDITIONS:

Sri Aurobindo Birth Century Library: Set in  30  volumes.- Vol. 27

Supplement.- De Luxe edition.- Pondicherry: Sri Aurobindo Ashram, 1973.- 510 p.

SABCL edition, DJVu-file (images of pages, 4 Mb)

DJV-viewers freeware, 6.7 Mb