http://girassol-adn.blogspot.pt/2013/11/a-maria-castanha.html

http://www.manualidadesinfantiles.org/castaneras-con-tubos-de-papel-reciclado

http://saraysuclase.blogspot.com.es/2012/10/manualidades-otono-recopilacion.html

 https://www.google.pt/search?q=trabalhos+sobre+o+sao+martinho&espv=2&biw=1242&bih=585&tbm=isch&tbo=u&source=univ&sa=X&ei=Z7hAVcXKCsO4Uea4gNgL&ved=0CB4QsAQ#imgrc=nS8x2dL03XmieM%3A
 https://www.google.pt/search?q=maria+castanha&biw=1366&bih=653&tbm=isch&tbo=u&source=univ&sa=X&ei=cEtfVMDYJIrIsAS6x4LoDA&sqi=2&ved=0CB4QsAQ#tbm=isch&q=maria%20castanha%20trabalhos%20manuais&imgrc=GhUeyk7yfNw38M%3A

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 Através de C. A.