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1Publicerad 1976Washington, D.C. : Dept. of State, External Research Program, [1976]24 p.“...United States. Department of State. External Research Program...”
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2av Krieg, William L.
Publicerad 1974Washington, D.C. : Dept. of State, [1974]iii, 12 p.“...United States. Department of State. External Research Program...”
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3av Schneider, Ronald M.
Publicerad 1976Washington, D.C. : Dept. of State, External Research Program, [1976]208 p. in various pagings.“...United States. Department of State. External Research Program...”
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4av Heare, Gertrude E.
Publicerad 1976Washington, D.C. : Dept. of State, External Research Program, [1976]135 p. in various pagings.“...United States. Department of State. External Research Program...”
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5av Anthony, John Duke
Publicerad 1974[S.l. : s.n., 1974]24 leaves : ill., map.“...United States. Department of State. External Research Program...”
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6av Dudley, Darrel
Publicerad 1975Washington, D.C. : Dept. of State, [1975]169 p.“...United States. Department of State. External Research Program...”
