(newer items are lower on the list)
Link to Dr. Smith’s 2012 preface to “Emigrating Beyond Earth” (Springer-Praxis).
Link to Dr. Smith’s 2014 paper in Acta Astronautica, “Estimation of a Genetically Viable Population for Interstellar Voyaging“.
Link to Dr. Smith’s 2015 paper in Acta Astronautica, “An Adaptive Paradigm for Human Space Settlement“.
Link to Dr. Smith’s 2016 paper in Journal of the British Interplanetary Society, “The MarsCart: Simple, Reliable, Non-Powered, Field-Maintainable Transportation for Short-Range, Small-Payload Extravehicular Activity on Mars“.
Link to Dr. Smith’s synopsis of forthcoming 2017/2018 technical (graduate-level) space-colonization foundations text, “Principles of Space Anthropology: Biological and Cultural Evolution Beyond Earth” (Springer).
A well-photographed article on Dr. Smith’s obsession in Australia’s Smith Journal.