The Elucidarium and Other Tracts in Welsh from Llyvyr Agkyr Llandewivrevi A.D. 1346 is a book edited by John Morris Jones and published in 1894. The book contains a collection of medieval Welsh texts, including the Elucidarium, a Latin work translated into Welsh in the 14th century. The Elucidarium is a theological and philosophical treatise that explores the nature of God, the universe, and humanity. The book also includes other tracts, such as the Liber Landavensis, a collection of charters and other documents relating to the diocese of Llandaff. Jones provides an introduction to the texts and extensive notes and glosses to aid readers in understanding the language and context of the works. The book is a valuable resource for scholars of medieval Welsh literature and history.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.