12
Gresham, G. A.
| Year Book Medical Publishers |
1971
13
George Philip & Son
| Prentice-Hall |
1981
14
World Book, Inc.
| World Book |
1986
16
Oxford University Press
| Oxford University Press |
1973
19
Price, Brian P.
| Rand McNally |
1980
20
John Bartholomew and Son
| Times Books |
1980