1
by Marx, Karl, 1818-1883
Published 1971
Book
2
Published 2009
Book
4
Published 2005
Electronic
5
by Orwell, George,
Published 2005
Slide
6
Published 2013
Slide
7
Published 2010
Slide
8
Published 2003
Slide
9
Published 2000
Slide
10
by Soriano, Osvaldo,, Cossa, Roberto,
Published 2000
Slide
11
Published 2001
Slide
12
by Napoli, Leonardo,
Published 2006
Slide
13
by Aisemberg, Isaac,
Published 2007
Book
14
Published 2007
Book
15
Published 2007
Slide
16
Published 2000
Slide
17
by Vassilikos, Vassili,
Published 2010
Slide
18
Published 2011
Book
19
by Morgan, Peter,
Published 2009
Slide
20
Published 2006
Slide