The "Chartularium Sangallense" is a comprehensive non-fiction book that deals with historical document texts and makes a valuable contribution to the humanities. It offers a detailed collection of documents that are of great importance for research and understanding of history. The structured layout of the book includes a preface, an introduction, and an extensive table of contents that clearly presents the various sections and topics. With 778 pages, it provides a wealth of information that is useful for both scholars and interested readers. The use of two indexes, one for words and one for subjects, in German and Latin allows for targeted research and facilitates access to specific topics and terms.