Watts, Joseph Linguistic and Cultural Evolution, Max Planck Institute for the Science of Human History, Max Planck Society;
Watts, J., Jackson, J. C., Arnison, C., Hamerslag, E. M., Shaver, J. H., & Purzycki, B. G. (2022). Building quantitative cross-cultural databases from ethnographic records: Promise, problems and principles. Cross-Cultural Research, 56(1), 62-94. doi:10.1177/10693971211065720.