Carnap, Rudolf,Jeffrey, Richard C.
(2)
Erich H. Reck/ Steve Awodey/ Gottfried Gabriel/ Gottlob Frege/ Rudolf Carnap
(2)
Rudolf Carnap/ Amethe Smeaton (TRN)
(1)
Rudolf Carnap/ Martin Gardner (EDT)/ Martin Gardner
(1)
Rudolf Carnap/ Rolf A. George (TRN)
(1)