Hereward Carrington 
Higher Psychical Development [PDF ebook] 
Yoga Philosophy an Outline of the Secret Hindu Teachings

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. I wish to acknowledge, here, my very great indebted ness to Mr. Frederick T. Harris, for his invaluable as sistence in the preparation of this work.