Allen E.L. (1953) Existentialism from Within. London.
2.
Barrett, W. (1958) Irrational Man. Garden City, N.Y.
3.
Blackburn, H.J. (1952) Six Existentialist Thinkers. New York.
4.
Dilthey, Wilhelm (1976) Selected Writings, ed. H. P. Rickman.Cambridge.
5.
Ermarth, M. (1978) The Critique of Historical Reason. Chicago.
6.
Jaspers, K. (1919) Philosophie der Weltanschauungen. Berlin.
7.
-(1944 ) Von der Wahrheit. Munich.
8.
-(1963 ) General Psychopathology, tr. J. Joenig and M. W. Hamilton. Manchester.
9.
-(1977 ) Philosophische Autobiographie. Munich.
10.
Kolle, K. (1957) 'Jaspers as Psychopathologist', in P. A. Schilpp (ed.), The Philosophy of Karl Jaspers. New York.
11.
Muller-Vollmer, K. (1963) Towards a Phenomenological Theory of Literature: A Study of Wilhelm Dalthey's Poetic. The Hague.
12.
Popper, K.R. (1972) Objective Knowledge. Oxford .
13.
Rickman, H.P. (1967) Understanding and the Human Studies. Heinemann.
14.
-( 1979) Wilhelm Dilthey: Pioneer of the Human Studies. London.
15.
Scheler, Max (1979) The Nature of Sympathy, tr. P. Heath. London.
16.
Seelbach, H. (1932) Verstehende Psychologie und Individualpsychologie . Ein Vergleich der Psychologischen Richtungen von Dilthey, Jaspers und Spranger mit der Individualpsychologie Alfred Adlers. Grafenhainichen.