1
Cash, James I.
| R.D. Irwin |
1983
5
Lindert, Peter H.
| R.D. Irwin |
1982
6
Engel, James F.
| R.D. Irwin |
1983
7
Reynolds, Lloyd George,
| R.D. Irwin |
1985
8
9
McFarlan, F. Warren
| R.D. Irwin |
1983