It was reprinted by Octagon Press in 1980.

In 1960 he established a publishing house, Octagon Press, producing translations of Sufi classics as well as titles of his own.

It was published by Octagon Press in 1978.

In 1974 a facsimile edition of Clarke's translation was published by The Octagon Press.

This book was reprinted by Octagon Press in 1980.

Reprinted by Octagon Press in 1966.

Octagon Press is a cross-cultural publishing house based in London, UK.

Octagon Press published many of Shah's later works.

First published by Octagon Press in 1956.

It was first published by Octagon Press in 1974.