| http://www.w3.org/ns/prov#value | - ipts of broadcasts, photographs, and other materials dating from the end of the 1950s to 1996.@enschema:descriptionSubjects addressed include: economic policy and conditions in the U.S.; international politics; the labor movement in the U.S. and abroad; employment of minorities; multinational corporations; politics and government in the U.S., especially in New York City and State; social conditi
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