Greg Guy book published The coherence of linguistic communities: Orderly heterogeneity and social meaning, edited and with an introduction by Gregory Guy and Karen Beaman, has been published by Routledge: https://www.routledge.com/The-Coherence-of-Linguistic-Communities-Orderly-Heterogeneity-and-Social/Beaman-Guy/p/book/9780367681821 Chapter 3 of the volume is the paper on 'Indexicality and coherence', co-authored by Greg Guy with Livia Oushiro and Ronald Mendes, both former visitors to our department.