Interesting!! I have an old, old leaflet titled "How Red is the National/Federal Council of Churches?" that I got in the '60's, and it also has a list which is similar to yours. Do you have a source for your list? I'd love to have an update if it's available.
(Mine is copyrighted in 1949 and 1959 by the American Council of Christian Laymen and lists all manner of socialistic organizations of which "church" leaders belonged.)
They have more brains than the remaining churches.