Autor
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Ramos, Samuel
1
Richardson, William J.
1
Rivera C., Jorge Eduardo
1
Rivera, Jorge Eduardo
1
Robinson, Edward
1
Rovira Armengol, José
2
Sartre, Jean Paul
1
Sartre, Jean- Paul
1
Sartre, Jean-Paul
3
Schlick, Moritz
1
Szankay, Zoltan
1
Trawny, Peter
1
Unesco
1
Vasconi, Rubén
1
Vazquez Garcia, Manuel E
1
Vermal, Juan Luis
2
Vázquez, Manuel E.
1
Waelhens, Alphonse de
1
Wrehde, Klaus
1
Xolocotzi Yáñez, Ángel
1
Yáñez, Ángel Xolocotzi
1
Zimmerman, Yves
2
Zimmermann, Yves
1
Zubiri, Xavier
1