| Schopp, William J.; ISMA Directory; 1959 | ISMA Directory | 1959-00-00 | | |
| Schopp, William J.; ISMA Directory; 1960 | ISMA Directory | 1960-00-00 | | |
| Schopp, William J.; ISMA Directory; 1961 | ISMA Directory | 1961-00-00 | | |
| Schopp, William J.; ISMA Directory; 1963 | ISMA Directory | 1963-00-00 | | |
| Schopp, William J.; ISMA Directory; 1964 | ISMA Directory | 1964-00-00 | | |
| Schopp, William J.; ISMA Directory; 1965 | ISMA Directory | 1965-00-00 | | |
| Schopp, William J.; ISMA Directory; 1966 | ISMA Directory | 1966-00-00 | | |
| Schopp, William J.; ISMA Directory; 1967 | ISMA Directory | 1967-00-00 | | |