COSMOGONY; OR, THE MYSTERIES OF CREATION: BEING AN ANALYSIS OF THE NATURAL FACTS STATED IN THE HEBRAIC ACCOUNT OF THE CREATION, SUPPORTED BY THE DEVELOPMENT OF EXISTING ACTS OF GOD TOWARD MATTER THOMAS ALFRED DAVIES 1857
SPOOK CROOKS! EXPOSING THE SECRETS OF THE PROPHETEERS WHO CONDUCT OUR WICKEDEST INDUSTRY JULIEN J. PROSKAUER 1932
OPEN SECRET: REPORTS ON THE BETRAYAL OF ROOSEVELT’S PEACE POLICY AND AMERICAN PREPARATIONS FOR WORLD WAR III TABITHA PETRAN 1946
GUITEAU’S CRIME. : THE FULL HISTORY OF THE MURDER OF PRESIDENT JAMES A. GARFIELD. WITH COMPLETE SECRET BIOGRAPHY OF THE ASSASSIN RICHARD K. FOX 1881
THE SECRET LODGE SYSTEM; A UNIQUE, COMPREHENSIVE AND IMPARTIAL STUDY AND DISCUSSION OF THIS IMPORTANT SUBJECT IN ALL ITS PHASES JOHN VINTON POTTS 1909
THE SECRET OF THE EAST; OR, THE ORIGIN OF THE CHRISTIAN RELIGION, AND THE SIGNIFICANCE OF ITS RISE AND DECLINE FELIX L. OSWALD 1893
THE SECRET OF EVOLUTION FOUND; OR, EVOLUTION EXPLAINED FROM THE PRENATAL DEVELOPMENT OF THE BRAIN, HOW MAN BECAME ENDOWED WITH A SOUL, HOW THE WORLD WILL COME TO AN END, ETC. JENNIE R. SHERROD 1925
AN ATTEMPT TO EXPLAIN SOME OF THE WONDERS AND MYSTERIES OF MESMERISM, BIOLOGY, AND CLAIRVOYANCE CAPTAIN HUDSON 1852
SECRET HISTORY OF THE COURT OF ENGLAND, FROM THE ACCESSION OF GEORGE THE THIRD, TO THE DEATH OF GEORGE THE FOURTH LADY ANNE HAMILTON 1832
A BILL TO PROVIDE FOR THE ESTABLISHMENT OF A BUREAU FOR SPECIAL AND SECRET SERVICE CONFEDERATE STATES OF AMERICA 1864
THEOU SOPHIA: ANALYTICAL LESSONS IN THE WISDOM OF THE DIVINE MYSTERIES VOL I-II-III HOLDEN EDWARD SAMPSON 1921
THE U.S. MILITARY INTELLIGENCE INVESTIGATION OF JEWISH COMMUNISM: AN ANALYSIS OF DECLASSIFIED “TOP SECRET” U.S. ARMY INTELLIGENCE DOCUMENTS EDWARD R. FIELDS 1978