edited by Theresa Schilhab, Frederik Stjernfelt and Terrence Deacon
Springer, 2012
eBooks
Carnap, Rudolf, author
Dover Publications, 1958
Buku Teks
Langer, Susanne, author
Dover, 1967
Buku Teks
Langer, Susanne K., author
Dover, 1953
Buku Teks
edited by P.E. de. Josselin de Jong and Erik Schwimmer
Martinus Nijhoff, 1982
Buku Teks