http://www.arquidiocese-sp.org.br/linksp.htm

http://www.google.com.br/search?hl=pt&ie=UTF-8&oe=UTF-8&q=higino&btnG=Pesquisa+Google&lr=

http://www.arquidiocese-sp.org.br/santosem/santabre.htm

http://www.arquidiocese-sp.org.br/santosem/santos1.htm

http://www.google.com.br/search?hl=pt&ie=UTF-8&oe=UTF-8&q=Critica+da+razao+pura&lr=

http://www.ebooksbrasil.com/eLibris/critica.html