| 作者 | Clement John Zablocki / Library of Congress. Legislative Reference Service / United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Panama Canal / United States. Congress. House. Committee on Science and Astronautics. Subcommittee on Science, Research, and Development / United States. Congress. House. Special Factfinding Mission to Nigeria / Charles C. Diggs / James Grove Fulton / J. Herbert Burke / Paul Findley |
