Principles of Stable Isotope Geochemistry is written as a textbook to accompany a one semester course in Stable Isotope Geochemistry. There are 13 chapters, each dealing with a specific subtopic of the field. Other than Chapters 1 and 2 – introduction and definitions – most of the remaining chapters can be read without reliance on the preceding ones. It is also hoped that the book will serve as a general reference volume for researchers in...

Franz Dotter was a world recognized linguist and sign language scholar. His tragic passing in 2018 deprived the field of sign linguistics from a pioneering voice. In this paper we ask several questions concerning sign language and Dotter’s approach to sign linguistics and reflect on Franz Dotter’s contributions to the field of sign linguistics. Dotter turned his expertise and analytic skill to questioning the common approach to sign languages which assumed that theories developed to...