41
by Uría
Published 1960
Book
42
by Einstein, Albert
Published 1933
Book
43
Published 1980
Book
44
by Kling, Simcha
Published 1973
Book
45
Published 1993
Book
46
Published 1980
Book
47
by Guevara, Ernesto
Published 1966
Book
48
by Hudson, William Henry
Published 1928
Book
49
Book
50
Journal
51
Journal
52
Journal
53
Journal
54
by Frondizi, Silvio
Published 1965
Book
55
by Cornejo S., Alberto
Published 1949
Book
56
by Mitre, Bartolomé
Published 1921
Book
57
by Moreno, Mariano
Published 1915
Book
58
by Trán-Dúc-Tháo
Published 1959
Book
59
by Gálvez, Manuel
Published 1945
Book
60
by Toker, Eliahu
Published 1972
Book