THE FLAMING DOOR; A PRELIMINARY STUDY OF THE MISSION OF THE CELTIC FOLK-SOUL BY MEANS OF LEGENDS AND MYTHS ELEANOR C. MERRY 1936
THE AFFINITY THE HEBREW LANGUAGE THE CELTIC: A COMPARISON BETWEEN HEBREW AND THE GAELIC LANGUAGE, OR THE CELTIC OF SCOTLAND THOMAS STRATTON 1872
THE CELTIC DRUIDS, OR, AN ATTEMPT TO SHEW THAT THE DRUIDS WERE THE PRIESTS OF ORIENTAL COLONIES WHO EMIGRATED FROM INDIA… GODFREY HIGGINS 1827
FOLK–LORE AND LEGENDS: RUSSIAN AND POLISH, GERMANY, SCANDINAVIAN, ENGLISH, SCOTLAND, ORIENTAL, NORTH AMERICAN INDIAN CHARLES JOHN TIBBITS 1889
THE SHEMETIC ORIGIN OF THE NATIONS OF WESTERN EUROPE, AND MORE ESPECIALLY OF THE ENGLISH, FRENCH AND IRISH BRANCHES OF THE GAELIC RACE JOHN PYM YEATMAN 1879
AN EXPOSITION OF THE MYSTERIES: OR, RELIGIOUS DOGMAS AND CUSTOMS OF THE ANCIENT EGYPTIANS, PYTHAGOREANS, AND DRUIDS. ALSO, AN INQUIRY INTO THE ORIGIN, HISTORY, AND PURPORT OF FREEMASONRY JOHN FELLOWS 1835
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 EASTERN ORIGIN OF THE CELTIC NATIONS: PROVED BY A COMPARISON OF THEIR DIALECTS WITH THE SANSKRIT, GREEK, LATIN, AND TEUTONIC LANGUAGES JAMES COWLES PRICHARD 1857
GODS AND FIGHTING MEN: THE STORY OF THE TUATHA DE DANAAN AND OF THE FIANNA OF IRELAND AUGUSTA GREGORY 1904
HIGHLAND SUPERSTITIONS: CONNECTED WITH THE DRUIDS, FAIRIES, WITCHCRAFT, SECOND–SIGHT, HALLOWE’EN … ALEXANDER MACGREGOR 1901