1
by Aristotle,
Published 2014
Book Electronic
2
by Cicero, Quintus Tullius.
Published 2012
Book Electronic
3
by Penn, Michael Philip,
Published 2015
Book
5
by Plato.
Published 1871
Book Electronic
6
Book Electronic
8
by Censorinus.
Published 2007
Book Electronic
9
by Occom, Samson, 1723-1792.
Published 2006
Book Electronic
10
11
by Li, Andrés de.
Published 2011
Book Electronic
13
by Hutcheson, Francis, 1694-1746.
Published 2008
Book Electronic
14
by Abelard, Peter, 1079-1142.
Published 2011
Book Electronic
16
18
by Valla, Laurentius.
Published 1994
Book Electronic