| Silver, Howard M.; ISMA Directory; 1948 | ISMA Directory | 1948-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1949 | ISMA Directory | 1949-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1950 | ISMA Directory | 1950-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1951 | ISMA Directory | 1951-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1952 | ISMA Directory | 1952-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1953 | ISMA Directory | 1953-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1954 | ISMA Directory | 1954-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1955 | ISMA Directory | 1955-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1956 | ISMA Directory | 1956-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1957 | ISMA Directory | 1957-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1958 | ISMA Directory | 1958-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1959 | ISMA Directory | 1959-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1960 | ISMA Directory | 1960-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1961 | ISMA Directory | 1961-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1963 | ISMA Directory | 1963-00-00 | | |
| Silver, Howard M.; ISMA Directory; 1947 | ISMA Directory | 1947-00-00 | | |