Yn y lhyvyr hwnn References Yn y lhyvyr hwnn Welsh book Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Celtic literature/ The rise of modern proseThe first Welsh printed book, Yn y lhyvyr hwnn (1547; “In This Book”), consisted of extracts from the Scriptures and the prayer book: from this time modern Welsh prose began to assume definite form. Read MoreThe first Welsh printed book, Yn y lhyvyr hwnn (1547; “In This Book”), consisted of extracts from the Scriptures and the prayer book: from this time modern Welsh prose began to assume definite form. Read More