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3 “..., scientific, historical, sociological and political essays. The authors are also appropriately varied...”

4 “.... Grlinbaum's long essay developed from a paper first suggested for our Colloquium some years ago, and we...”

5 “...These essays on the conceptual understanding of modern physics strike directly at some...”

6 “... are philosophers, it is worth noting that we have essays of philosophical significance here written by a...”

7 “...This collection of essays has evolved through the co-operative efforts, which began in the fall...”