The Adventures of Tom Bombadil actual translation from the "Red Book of Westmarch", and contains some background information on the world of Middle-earth that is not found elsewhere: e.g. the name of the tower at Dol Amroth and the names of the Seven Rivers of Gondor. There is also some fictional background information of those poems, linking them to Hobbit folklore and literature and to their actual writers (some of them are ascribed to Samwise Gamgee). The book uses the letter "K" instead of "C" for the /k/ sound in Sindarin (one of the languages invented by Tolkien), a spelling variant Tolkien used many times
Conan Meriadoc the Rohans, according to the "Life of Saint Meriadoc", the protagonist of which is said to have been descended from him. Meriadoc appears in one of the genealogies from Jesus College MS 20, which traces the descent of Geraint mab Erbin, king of Dumnonia in the West Country, back to "Cynan map Eudaf Hen". In the Cornish miracle play "Beunans Meriasek", Conan is a kinsman of Saint Meriasek who tries (unsuccessfully) to dissuade Meriasek from pursuing a religious life. In the 15th century the Bretons used the Conan story as it appears in the "Life of Saint Meriadoc" to establish