61
62
Published 1995
Book
63
65
68
by Smith, Robert Allan
Published 1982
Book
70
by Gossick, B. R.
Published 1964
Book
72
by Milnes, A. G. 1922-
Published 1977
Book
74
Published 1972
Book
75
Published 1981
Book
77
by Vojta, Milan
Published 1979
Thesis Manuscript