| International Labour Office - 1937 - عدد الصفحات: 358
1925-1926 include legal decisions of England, France, Germany and Italy; 1927-1938 also those of the United States. | |
| 1934 - عدد الصفحات: 410
1925-1926 include legal decisions of England, France, Germany and Italy; 1927-1938 also those of the United States. | |
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