42Tagebuch 28. XII. 1937 – 20. XII. 1938 [Rudolf Carnap: Tagebücher], Eintrag So 27. II. 1938

Enzykl.-Aufsatz umgearbeitet.IFoundations of the Unity of ScienceB1938@„Logical Foundations of the Unity of Science“, Foundations of the Unity of Science 1, 1938, 42–62

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