December 1973 (47 years after writing The Secret Teachings of All Ages), Hall was recognized as a 33° Mason (the highest honor conferred by the Supreme Council of the Scottish Rite) at a ceremony held at the Philosophical Research Society (PRS). Selected works (1922) The Initiates of the Flame (1923) The Lost Keys of Freemasonry (1925) The Noble Eightfold Path: Teachings of the Great Buddha, in 7 Parts (1925) Shadow Forms: A Collection of Occult Stories (1928) The Secret Teachings of All Ages (1929) Lectures on Ancient Philosophy: An Introduction to the Study and Application of Rational Procedure (1933) Introduction to Max Heindel's Blavatsky and The Secret Doctrine (1942) How to Understand Your Bible (1943) Lady of Dreams: A Fable in the Manner of the Chinese (1944) The Secret Destiny of America (1944) The Guru by His Disciple: The Way of the East (1951) America's Assignment with Destiny (1980) The Blessed Angels: A Monograph (1984) Lectures in Ancient Philosophy: An Introduction to Practical Ideals (1988) Meditation Symbols in Eastern & Western Mysticism: Mysteries of the Mandala The Adepts Series A Monthly Letter Devoted to Spiritual and Philosophical Problems Atlantis: An Interpretation Symbolic Essays Noah and His Wonderful Ark References Further reading Pontiac, Ronnie (2012) "The Maestro and the Boy: The Kindness of Manly P. Hall" Wilson, Brandon (2021) “ “A Forgotten Father of the New Age: Manly P. Hall and His Impact on American Metaphysical Religion” External links 1901 births 1990 deaths American Freemasons American occult writers Atlantis Canadian emigrants to the United States Esotericists Hermeticism 20th-century mystics People from Peterborough, Ontario Philosophers from California Writers from Los Angeles Writers from Ontario Tarotologists 20th-century Canadian philosophers