1940.11-1941.3 1940.11-1941.7 1940.10-1941.5 1940.7-1941.5 1940.10-1945.7 1940.1.1-1940.6.30 1940.4-1940.6 1941.1.1-1941.6.30 1941.4-1941.7 1940.1-1940.12