1
2
3
4
by Wielandt
Published 1971
5
by Mansel, 1951-
Published 1988
6
by Petran
Published 1972
7
by Mantin
Published 1993
8
by Tibawi
Published 1976
9
by Voll, 1936-
Published 1994
10
11
by Webster
Published 1939
12
by Smith
Published 1957