Many books discuss the theology and doctrine of the medieval liturgy: there is no dearth of information on the history of the liturgy, the structure and development of individual services, and there is much discussion of specific texts, chants, and services. No book, at least in English, has struggled with the difficulties of finding texts, chants, or other material in the liturgical manuscripts themselves, until the publication of Medieval Manuscripts for Mass and Office in 1982. Encompassing a period of several centuries, ca 1200-1500, this book provides solutions for such endeavours. Although by this period the basic order and content of liturgical books were more or less standardized, there existed hundreds of different methods of dealing with the internal organisation and the actual writing of the texts and chants on the page. Generalization becomes problematic; the use of any single source as a typical example for more than local detail is impossible. Taking for granted the