996 resultados para United States Capitol Visitor Center (Washington, D.C.)--Charts, diagrams, etc.
Resumo:
"Issued June 1968."
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Mode of access: Internet.
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Bibliography: p. 8-9.
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"In cooperation with state Agricultural Experiment Stations."
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Bibliography: p. 8-10.
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Bibliography: p. 8-10.
Resumo:
"Issued January 1974."
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Prepared in cooperation with State agricultural experiment stations.
Resumo:
"Prepared by Science and Education Administration."
Resumo:
Prepared in cooperation with state agricultural experiment stations.
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"Revised July 1970"--P. 14.
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"Issued August 1969."
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"Issued August 1969, slightly revised December 1969."
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"Slightly revised January 1971"--P. 15.
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Cover title.