| Verfasser | Häufigkeit |
| Dorn, Herbert, 1887-1957 1887-1957 |
5 |
| Delaware Conference on World Economic Development (1, 1949, Newark, Del.) |
1 |
| Delaware Conference on World Economic Development (2, 1950, Newark, Del.) |
1 |
| Delaware Conference on World Economic Development (3, 1952 - 4, 1953) |
1 |
| Dorn, Herbert 1887-1957 VerfasserIn |
1 |
| Olshausen, Theodor von 1877-1930 |
1 |
