* The Book of the Secret (1929)
* Behind the Shadows (1930)
* The Hidden Romance of the Holy Grail (1931)
* Immortals at Work (1932)
* Atlantis; Eller, den antidiluvianske verden (1933)
* Historien om liv og død (1934)
* The Mysteries of Life and Death (1935)
* The Mastery of Life (1936)
* Tankens kraft (1937)
* The Song of the Cosmos (1938)
* The Mystery of Sex (1939)
* The Story of Man's Evolution (1940)
* The Art of Living (1941)
* The Philosophy of Life (1942)
* The Science of Life (1943)
* The Religion of Life (1944)
* The Art of Happiness (1945)
* The Science of Success (1946)
* The Philosophy of Power (1947)
* The Religion of Power (1948)
* The Art of Love (1949)
* The Science of Love (1950)
* The Philosophy of Love (1951)
* The Religion of Love (1952)
* The Art of Immortality (1953)
* The Science of Immortality (1954)
* The Philosophy of Immortality (1955)
* The Religion of Immortality (1956)
* The Art of Eternal Youth (1957)
* The Science of Eternal Youth (1958)
* The Philosophy of Eternal Youth (1959)
* The Religion of Eternal Youth (1960)
* The Art of Perfect Health (1961)
* The Science of Perfect Health (1962)
* The Philosophy of Perfect Health (1963)
* The Religion of Perfect Health (1964)
* The Art of Prosperity (1965)
* The Science of Prosperity (1966)
* The Philosophy of Prosperity (1967)
* The Religion of Prosperity (1968)
* The Art of Peace (1969)
* The Science of Peace (1970)
* The Philosophy of Peace (1971)
* The Religion of Peace (1972)
* The Art of Wisdom (1973)
* The Science of Wisdom (1974)
* The Philosophy of Wisdom (1975)
* The Religion of Wisdom (1976)
* The Art of Enlightenment (1977)
* The Science of Enlightenment (1978)
* The Philosophy of Enlightenment (1979)
* The Religion of Enlightenment (1980)
* The Art of Liberation (1981)
* The Science of Liberation (1982)
* The Philosophy of Liberation (1983)
* The Religion of Liberation (1984)
* The Art of Nirvana (1985)
* The Science of Nirvana (1986)
* The Philosophy of Nirvana (1987)
* The Religion of Nirvana (1988)
Noveller
* "The Shadow of the Master" (1929)
* "The Secret of the Scroll" (1929)
* "Avsløringen av Isis" (1929)
* "The Temple of the Sun" (1930)
* "De syv porters by" (1930)
* "Edens hage" (1930)
* "The Fountain of Youth" (1931)
* "Livets eliksir" (1931)
* "De vises stein" (1932)
* "Den hellige gral" (1932)
* "Paktens ark" (1933)
* "The Lost Atlantis" (1933)
* "The Lemuria" (1934)
* "The Mu" (1934)
* "The Shambala" (1935)
* "The Agartha" (1935)
* "The Telos" (1936)
* "The Posidonis" (1936)
* "The Atlantis" (1937)
* "The Lemuria" (1937)
* "The Mu" (1938)
* "The Shambala" (1938)
* "The Agartha" (1939)
* "The Telos" (1939)
* "The Posidonis" (1940)
* "The Atlantis"