CONJECTURES ON THE MYSTERIOUS MONUMENT OF ANCIENT ART, STONEHENGE, ON SALISBURY PLAIN… TO WHICH IS ADDED A HISTORY OF THE DRUIDS JAMES EASTON 1833
THE TOWERS AND TEMPLES OF ANCIENT IRELAND; THEIR ORIGIN AND HISTORY DISCUSSED FROM A NEW POINT OF VIEW MARCUS KEANE 1867
THE SAINT CLAIRS OF THE ISLES: BEING A HISTORY OF THE SEA–KINGS OF ORKNEY AND THEIR SCOTTISH SUCCESSORS OF THE SIRNAME OF SINCLAIR ROLAND WILLIAM SAINT–CLAIR 1898
THE FLAMING DOOR; A PRELIMINARY STUDY OF THE MISSION OF THE CELTIC FOLK-SOUL BY MEANS OF LEGENDS AND MYTHS ELEANOR C. MERRY 1936
ORIGINES CELTICAE: A FRAGMENT AND OTHER CONTRIBUTIONS TO THE HISTORY OF BRITAIN VOL I–II EDWIN GUEST 1883
A CRITICAL HISTORY OF THE CELTIC RELIGIONS AND LEARNING: CONTAINING AN ACCOUNT OF THE DRUIDS ; OR, THE PRIESTS AND JUDGES, OF THE VAIDS, OR THE DIVINERS AND PHYSICIANS; AND OF THE BARDS, OR THE POETS AND HERALDS ; OF THE ANCIENT GAULS, BRITONS, IRISH AND SCOTS JOHN TOLAND 1814
THE LIGHT OF BRITANNIA: THE MYSTERIES OF ANCIENT BRITISH DRUIDISM UNVEILED; THE ORIGINAL SOURCE OF PHALLIC WORSHIP, AND THE SECRETS OF THE COURT OF KING ARTHUR REVEALED; THE CREED OF THE STONE AGE RESTORED, AND THE HOLY GRAEL DISCOVERED IN WALES OWEN MORGAN 1893
