| FUS I-1 | | | Encyclopedia and Unified Science [ di Otto Neurath ET Niels Henrik David Bohr ET John Dewey ET Bertrand Arthur William (Earl Russell, 3rd) Russell ET Rudolf Carnap ET Charles William Morris ] |
| FUS I-2 | | | Foundations of the Theory of Signs [ di Charles William Morris ] |
| FUS I-3 | | | Foundations of Logic and Mathematics [ di Rudolf Carnap ] |
| FUS I-4 | | | Linguistic Aspects of Science [ di Leonard Bloomfield ] |
| FUS I-5 | | | Procedures of Empirical Science [ di Victor F. Lenzen ] |
| FUS I-6 | | | Principles of the Theory of Probability [ di Ernest Nagel ] |
| FUS I-7 | | | Foundations of Physics [ di Philipp Frank ] |
| FUS I-8 | | | Cosmology [ di Erwin Finlay-Freundlich ] |
| FUS I-9 | | | Foundations of Biology [ di Felix Mainx ] |
| FUS I-10 | | | The Conceptual Framework of Psychology [ di Egon Brunswik Edler von Korompa ] |
