LECTURES ON POPERY: THE MYSTERY OF BABYLON! OR, THE ABOMINATIONS OF THE CHURCH OF ROME JOHN SYMPSON SERGROVE 1823
THE NATURAL GENESIS, OR, SECOND PART OF A BOOK OF THE BEGINNINGS… THE LOST ORIGINES OF THE MYTHS AND MYSTERIES, TYPES AND SYMBOLS, RELIGION AND LANGUAGE… VOL I–II GERALD MASSEY 1883
THE HIDDEN WAY ACROSS THE THRESHOLD: OR THE MYSTERY WHICH HATH BEEN HIDDEN FOR AGES AND FROM GENERATIONS J.C. STREET 1887
THE LITERATURE AND CURIOSITIES OF DREAMS: A COMMONPLACE BOOK OF SPECULATIONS CONCERNING THE MYSTERY OF DREAMS AND VISIONS VOL I-II FRANK SEAFIELD 1865
PAGAN REGENERATION : A STUDY OF MYSTERY INITIATIONS IN THE GRAECO-ROMAN WORLD HAROLD R. WILLOUGHBY 1929
THE MYSTERY OF INIQUITY: AN EXPOSE OF THE SPIRIT AND NATURE OF INTERNATIONAL COMMUNISM LOUIS RICHARD PATMONT 1933
THE MYSTERY OF SPACE: A STUDY OF THE HYPERSPACE MOVEMENT IN THE LIGHT OF THE EVOLUTION OF NEW PSYCHIC FACULTIES AND AN INQUIRY INTO THE GENESIS AND ESSENTIAL NATURE OF SPACE ROBERT T. BROWNE 1919
MESMERISM, SPIRITUALISM, WITCHCRAFT, AND MIRACLE: A BRIEF TREATISE SHOWING THAT MESMERISM IS A KEY WHICH WILL UNLOCK MANY CHAMBERS OF MYSTERY ALLEN PUTNAM 1858
THE MYSTERIOUS COMET; OR, THE ORIGIN, BUILDING UP, AND DESTRUCTION OF WORLDS, BY MEANS OF COMETARY CONTACTS COMYNS BEAUMONT 1932