Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Operation Valkyrie, 1944 4 Operation Valkyrie, 1944 -- Drama. 4 Operation Valkyrie, 1944 -- Juvenile fiction. 3 Operation Valkyrie, 1944 -- Juvenile literature. 1 Operation Varsity, 1945 2 Operation Vengeance, 1943. 2 Operation Walküre, 1944 -- SEE: Operation Valkyrie, 1944 4 Operational analysis -- SEE: Operations research 1 Operational art (Military science) -- Case studies. 1 Operational art (Military science) -- Fiction. 2 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >