Fourteen lessons in yogi philosophy and oriental occultism was published in English in 1912. At the time a large number of books were published about eastern religion and philosophy. Indian sages visited Europa and the USA and Hinduism and Buddhism had a huge influence until the beginning of World War I. These fourteen lessons were originally a part of a Correspondence Class Course from 1904. People could for a fee sign up and receive the lessons as they were written. The lessons are for instance: The Mental Principles, The Human Aura, Spiritual Evolution etc
Language title : YOGI PHILOSOPHY AND ORIENT AL OCCULTISM