1
2
by Griswold Jr., John A.
Published 1939
3
4
by Appell, George N.
Published 1967
5
6
7
Published 2005
8
by Blood, Doris E.
Published 1995
9
by Muhammad Harun
Published 2009
10
11
12
13
14
15
16
Published 1983
17
by Williams, Thomas Rhys.
Published 1965
18
by Rutter, Owen.
Published 2007
19
20
Published 1999