This book starts from a first general observation: there are very diverse ways to frame and convey scientific knowledge in texts. It then analyzes texts on mathematics, astronomy, medicine and life sciences, produced in various parts of the globe and in different time periods, and examines the reasons behind the segmentation of texts and the consequences of such textual divisions. How can historians and philosophers of science approach this diversity, and what is at stake in dealing with it? The book addresses these questions, adopting a specific approach to do so. In order to shed light on the diversity of organizational patterns and rhetorical strategies in