Malthus, Population
Hermes, Gnosis 002
Boyle, Sceptical Chymist
Aquinas, Summa Theologica 015
Aquinas, Summa Theologica 016
Aquinas, Summa Theologica 018
Aquinas, Summa Theologica 020
Tacitus, Histories 001
Tacitus, Histories 002
Aquinas, Summa Theologica 001
Aquinas, Summa Theologica 002
Aquinas, Summa Theologica 003
Aquinas, Summa Theologica 004
Aquinas, Summa Theologica 005
Aquinas, Summa Theologica 006
Aquinas, Summa Theologica 007
Aquinas, Summa Theologica 009
Aquinas, Summa Theologica 010
Aquinas, Summa Theologica 011
Aquinas, Summa Theologica 013