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array(13) {
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  string(4) "X4c="
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  string(4) "C9o="
  ["search_value"]=>
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  string(4) "Xw=="
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  string(4) "X4Q="
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  ["LDS_LAST_URL"]=>
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}

Directory of history departments and organizations in the United States and Canada - 19th ed. (1994)