VÍDEOS SOBRE O FEUDALISMO E PESTE NEGRA

http://www.youtube.com/watch?v=MEJuq2F5VGY&feature=related

http://www.youtube.com/watch?v=6x74duLYleg&feature=related


http://www.youtube.com/watch?v=-3YAnQfcV80&feature=related

http://www.youtube.com/watch?v=K_Fk97FOzyc&feature=related

http://www.youtube.com/watch?v=xnbkX_LSkB4&feature=related