This pamphlet published by UNESCO in 2000 briefly describes UNESCO and its importance to the United States. Especially interesting is the partial list of organizations which had passed resolutions calling for the return of the United States to UNESCO during its 18 year absence. The list is shown below:
American Association for the Advancement of Science
American Council on Education
American Chemical Society
American Physical Society
American Bar Association
American Association of Museums
American Educational Research Association
American Library Association
American Psychological Association
American Association of University Professors
Americans for the Universality of UNESCO (Now Americas for UNESCO.)
Comparative/International Education Society
Council of Scientific Society Presidents
International Council on Monuments and Sites
International Reading Association
National Education Association
National Science Teachers Association
National Association of Professional Engineers
PEN American Center
United Nations Association of the USA
US National Commission on Libraries and Information Science
Freedom House
Click here to read the whole brochure (PDF, 12 pages).