NORTHERN ANTIQUITIES; OR, AN HISTORICAL ACCOUNT OF THE MANNERS, CUSTOMS, RELIGION AND LAWS, MARITIME EXPEDITIONS AND DISCOVERIES, LANGUAGE AND LITERATURE OF THE ANCIENT SCANDINAVIANS PAUL HENRI MALLET 1847
THE POPES AND SCIENCE; THE HISTORY OF THE PAPAL RELATIONS TO SCIENCE DURING THE MIDDLE AGES AND DOWN TO OUR OWN TIME JAMES JOSEPH WALSH 1908
LEGENDS AND SUPERSTITIONS OF THE SEA AND OF SAILORS IN ALL LANDS AND AT ALL TIMES FLETCHER S. BASSETT 1885
CONTACT WITH THE OTHER WORLD: THE LATEST EVIDENCE AS TO COMMUNICATION WITH THE DEAD JAMES HERVEY HYSLOP 1919