971 resultados para Philadelphia (Pa.).
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Includes index.
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Title from caption.
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National Highway Traffic Safety Administration, Office of Driver and Pedestrian Research, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.
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Reprinted from E. Fromont plates no. E. 1404 F.
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Federal Highway Administration, Office of Research, Washington, D.C.
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National Highway Safety Bureau, Washington, D.C.
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National Highway Safety Bureau, Washington, D.C.
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National Highway Safety Bureau, Washington, D.C.
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National Highway Safety Bureau, Washington, D.C.
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National Highway Safety Bureau, Washington, D.C.
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Federal Transit Administration, Washington, D.C.
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Transportation Department, Washington, D.C.
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National Highway Traffic Safety Administration, Office of Driver and Pedestrian Research, Washington, D.C.