“ A 'communist front organization' is any organization, the members of which are not all communists, but which is substantially directed, dominated or controlled by communists or by the communist party, or which in any manner advocates, or acts to further, the world communist movement. The attorney general of the state of Michigan annually shall prepare and cause to be published a list of all such communist front organizations.' ”

“ The definition of a Communist as '* * * a member of the communist party, notwithstanding the fact that he may not pay dues to, or hold a card in, said party * * *' is said to be vague since once dues and cards are eliminated as criteria there are no readily apparent means of determining who is a member. ”

“ Sections 2-5, inclusive, and Section 7 of the Act were alleged to violate various provisions of the Federal Constitution. A declaratory judgment to that effect was sought, along with an injunction to prevent state officials and officers from enforcing the Act. ”