Elder, O. and Mullen, A. (2019). The language of Roman letters: bilingual epistolography from Cicero to Fronto. (Cambridge University Press).
Accompanying online open-access, searchable database: https://csrl.classics.cam.ac.uk
Elder, O. (2020). ‘Population, migration and language in Rome’. In Clackson, J., James, P., McDonald, K., Tagliapietra, L. and Zair, N. (eds.) Migration, mobility and language contact in the ancient Mediterranean. (Cambridge University Press).