THE SERPENT MOUND, ADAMS COUNTY, OHIO: MYSTERY OF THE MOUND AND HISTORY OF THE SERPENT. VARIOUS THEORIES OF THE EFFIGY MOUNDS AND THE MOUND BUILDERS EMILIUS OVIATT RANDALL 1905
MYSTICISM AND ITS RESULTS; BEING AN INQUIRY INTO THE USES AND ABUSES OF SECRECY, AS DEVELOPED IN THE INSTRUCTION AND ACTS OF SECRET SOCIETIES JOHN DELAFIELD 1957
GLIMPSES OF ANCIENT MYSTERIES, BIBLICAL AND CLASSICAL, OF ENGLISH AND PARENTAL VERSIONS OF THE BIBLE AND ITS DEITY, IN THE LIGHT OF MODERN SPIRITUALISM ALFRED E. GILES 1897
THE HISTORY OF INITIATION, IN TWELVE LECTURES: COMPRISING DETAILED ACCOUNT OF THE RITES AND CEREMONIES, DOCTRINES AND DISCIPLINE OF ALL THE SECRET AND MYSTERIOUS INSTITUTIONS OF THE ANCIENT WORLD GEORGE OLIVER 1855
THE WAR LORDS OF WASHINGTON: (SECRETS OF PEARL HARBOR): AN INTERVIEW WITH COL. CURTIS DALL ANTHONY J. HILDER 1991
MYTHS, DREAMS AND MYSTERIES: THE ENCOUNTER BETWEEN CONTEMPARY FAITHS AND ARCHIAC REALITIES MIRCEA ELIADE 1960
FORBIDDEN WISDOM: AN ACCOUNT OF PRIMITIVE SYMBOLISM, HEBREW PHALLICISM, BACCHIC FESTIVALS, SEXUAL RITES, AND THE MYSTERIES OF THE ANCIENT FAITHS PROF. WM. ESTEP 1930
THE FINAL SECRET OF PEARL HARBOR: THE WASHINGTON CONTRIBUTION TO THE JAPANESE ATTACK REAR ADMIRAL ROBERT ALFRED THEOBALD 1954
THE CROSS AND THE DRAGON; OR, THE FORTUNES OF CHRISTIANITY IN CHINA; WITH NOTICES OF THE CHRISTIAN MISSIONS AND MISSIONARIES, AND SOME ACCOUNT OF THE CHINESE SECRET SOCIETIES JOHN KESSON 1854
MYSTERIOUS PSYCHIC FORCES: AN ACCOUNT OF THE AUTHOR’S INVESTIGATIONS IN PSYCHICAL RESEARCH, TOGETHER WITH THOSE OF OTHER EUROPEAN SAVANTS CAMILLE FLAMMARION 1907
THE GREAT MYSTERY EXPLAINED, OR THE INDIANS OF AMERICA PROVEN TO BE THE TEN TRIBES OF ISRAEL DR. DANIEL H. LAWRENCE 1851