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Start Over You searched for: Organization Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy Remove constraint Organization: Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy Year 1990 to 1994 Remove constraint Year: <span class="from" data-blrl-begin="1990">1990</span> to <span class="to" data-blrl-end="1994">1994</span>

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James J. Bohning Philatelic Chemistry Collection, 1951-2003 (inclusive)

Held at: Science History Institute Archives [Contact Us]

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Michael A. Morgan Philatelic Chemistry Collection, 1994

Held at: Science History Institute Archives [Contact Us]

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Robert Van Egghen Perkin-Elmer Corporation Collection, 1950-2011 (inclusive)

Held at: Science History Institute Archives [Contact Us]