int(0)
array(13) {
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  string(4) "i7w="
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  string(16) "1ODb1XHgF1f+bA=="
  ["LDS_LAST_URL"]=>
  string(500) "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"
}

American men of science : a biographical directory - 10th ed. (1960-1961); v. 03

int(0)
array(13) {
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  string(56) "ie6akSi4E1b+OLLOCsnudLqmwQ+6HZpq1klliydvloQYH/YmJYFE2A=="
  ["language_front"]=>
  string(4) "i7w="
  ["language_front_tag"]=>
  string(4) "3+E="
  ["search_value"]=>
  string(44) "yv3AmHThFV7vKLrNAdChLebzzkz+WpF+jl0uh301w4QQ"
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  string(4) "iw=="
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  string(4) "i78="
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}

American men of science : a biographical directory - 10th ed. (1960-1961); v. 02

int(0)
array(13) {
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American men of science : a biographical directory - 10th ed. (1960-1961); v. 01