por Frankl, Viktor E. (Viktor Emil), 1905-1997 [autor] | Benigno Freire, José [prologuista] | Frankl, Viktor E. (Viktor Emil), 1905-1997. Psychologe erlbt das konzentrationslager ; Man's search for meaning ; From death-camp to existentialism.
por Jonas, Hans, 1903-1993 [autor] | Jonas, Hans, 1903-1993. Das princip versntusortung | Fernandez Retenaga, Maria [traductor].