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Tags: Invitations~ Philadelphia Science Teachers Assocation~ Speeches, addresses, etc.~ Tracton, Stanley~ Watson, James D., 1928-
Tags: Invitations~ Speeches, addresses, etc.~ Thorner, Gene~ Watson, James D., 1928-
Tags: Adelphi University~ Dinners and dining~ Invitations~ Stevens, Roy~ Watson, James D., 1928-
Tags: Invitations~ National Science Teachers Association~ Simendinger, Elizabeth A.~ Watson, James D., 1928-
Tags: Boston University~ Invitations~ Shieldhouse, Peter~ Watson, James D., 1928-
Tags: Invitations~ Seligman, N. O.~ Speeches, addresses, etc.~ Watson, James D., 1928-
Tags: Invitations~ Schwartz, Barth~ Watson, James D., 1928-
Tags: Dartmouth College~ Invitations~ Roussos, George W.~ Watson, James D., 1928-
Tags: Invitations~ Rosenberg, Harold~ Watson, James D., 1928-
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