Yes, it was the Democrats’ goal to allow communism in, but this particular list was read into the Congressional Record. That was the title, so it has to stay that way. Some members of Congress were worried back then; I guess just not enough to stem the tide.
Yes that was a FLorida congressman - a Republican, naturally - by the name of Herlong.
The list itself is from a book by Leon Skousen entitled “The Naked Communist”.
Somewhere along the way, Republicans decided to stop fighting communists and try to be Commie-Lite.