41
Published 1958
Journal / Magazine
42
Published 1904
Journal / Magazine
43
Published 1946
Journal / Magazine
44
Book
45
by Romero, Óscar A. 1917-1980
Published 1980
Book
46
by Spalinger, Anthony John
Published 1982
Book
48
Published 1978
Book
49
Published 1982
Book
50
Published 1964
Book
52
Published 1984
Book
53
Published 1978
Book
54
Published 1987
Book
55
Published 1987
Book
56
Published 1990
Book
57
Published 1988
Book
58
Published 1993
Book
59
Published 1996
Book
60