THE SONNETS OF SHAKESPEARE SOLVED, AND THE MYSTERY OF HIS FRIENDSHIP, LOVE, AND RIVALRY REVEALED HENRY BROWN 1870
THE MASKED LADY OF THE WHITE HOUSE; OR, THE KU-KLUX-KLAN : A MOST STARTLING EXPOSURE OF THE DOINGS OF THIS EXTENSIVE SECRET BAND, WHOSE MYSTERIOUS LODGES EXIST IN EVERY CITY AND COUNTY IN THE LAND C. W. ALEXANDER 1868
DEATH AND ITS MYSTERY AT THE MOMENT OF DEATH: MANIFESTATIONS AND APPARITIONS OF THE DYING: “DOUBLES;” PHENOMENA OF OCCULTISM CAMILLE FLAMMARION 1922
SECRETS OF THE COMMUNIST PARTY EXPOSED!: THE SECRET COMMUNIST PARTY MANUAL ON ORGANIZATION (THEIR PLAN FOR CONQUEST FOR THE UNITED STATES AND THE WORLD) CARL WILLIAM REINIG 1947
PHILITIS; OR, SOLUTION OF THE MYSTERY WHICH FOR FOUR THOUSAND YEARS HAS SHROUDED THE GREAT PYRAMID IN EGYPT CHARLES CASEY 1876
CURIOSITIES OF THE SKY: A POPULAR PRESENTATION OF THE GREAT RIDDLES AND MYSTERIES OF ASTRONOMY GARRETT P. SERVISS 1909
THE SECRET INSTRUCTIONS OF THE JESUITS ; ALSO THE FOUR VOWS OF THE JESUITS, THE OATH OF SECRECY OF 1680, AND TETZEL’S INDULGENCE OF 15TH APRIL, 1517 1860
AN ACCOUNT OF THE SAVAGE TREATMENT OF CAPTAIN WILLIAM MORGAN IN FORT NIAGARA : WHO WAS SUBSEQUENTLY MURDERED BY THE MASONS AND SUNK IN LAKE ONTARIO FOR PUBLISHING THE SECRETS OF MASONRY EDWARD GIDDINS 1829
MYSTERIES’ END: AN INVESTIGATION OF THE LAST DAYS OF THE MEDIEVAL RELIGIOUS STAGE HAROLD G. GARDINER 1946
MANUSCRIPT SAID TO BE HANDWRITING OF WILLIAM SHAKESPEARE IDENTIFIED AS PENMANSHIP OF ANOTHER PERSON; MYSTERY OF “SIR THOMAS MORE” DOCUMENT… PHASE OF THE BACON-SHAKESPEARE CONTROVERSY EDWIN J. DES MOINEAUX 1924
THE OTTOMANS IN EUROPE; OR, TURKEY IN THE PRESENT CRISIS, WITH THE SECRET SOCIETIES’ MAPS JOHN MILL 1876
REVELATIONS OF EGYPTIAN MYSTERIES: HISTORY OF THE CREATION, THE CAUSES AND THE PROGRESS OF THE DEGENERATION OF NATURE, THE CONFLAGRATION AND MANNER OF THE RESURRECTION OF THE WORLD, AS ALLEGORICALLY REPRESENTED BY THE EGYPTIAN PHILOSOPHY… ROBERT HOWARD 1850
MYSTERIES OF HISTORY; WITH ACCOUNTS OF SOME REMARKABLE CHARACTERS AND CHARLATANS CHARLES JOHN SAMUEL THOMPSON 1928