¹²Conwell, Eugene Alfred. Discovery of the Tomb of Ollamh Fodhla (Ollăv Fōla), Ireland's Famous Monarch and Law-maker Upwards of Three Thousand Years Ago. Dublin: McGlashan & Gill, 1873. 26-8.
This book may be read in its entirety here. The site that Conwell describes as "Ollamh Fodhla's Chair" may be viewed in a photograph on our Loughcrew page and in its virtual-reality environment.