complete_ethics_clifford
http://www.uta.edu/philosophy/faculty/burgess-jackson/Clifford.pdf


http://people.brandeis.edu/~teuber/Clifford_ethics.pdf



partial_analysis
http://www.c-s-p.org/flyers/9781847185037-sample.pdf


standford preview not logged in for complete
https://leibniz.stanford.edu/friends/preview/ethics-belief/