Bibliography

http://plato.stanford.edu/entries/kant/

http://www.iep.utm.edu/kantmeta/

http://plato.stanford.edu/entries/kant-hume-morality/#BriOveKanEth

http://www.biography.com/people/mark-twain-9512564

http://www.biography.com/people/john-locke-9384544

http://www.unlhumanrights.org/01/0102/0102_04.htm