What is associated with: 1947 labor act which made the closed shop agreement illegal?

Who performed with '1947 and the bobby soxer'? What is associated with: 1947 a 2 word transport for aliens? What is associated with: 1947 cary grant shirley temple? What is associated with: 1947 eastern europes king michael? What is associated with: 1948 christinas world? What is associated with: 1948 hamlet prince of denmark? What is associated with: 1948 henry wallace? What is associated with: 1948 i dont have to show you no stinkin badges?