 In his later works (1902; 1904b; 1906; 1907; 1910; 1915; 1918) the various aforementioned philosophical disciplines are intertwined, only the emphasis of the subject matters differs. Although the topics of the monographs seem to be narrowly demarcated (On Assumptions (1902, 1910); On Possibility and Probability (1915); On Emotional Presentation (1917)), Meinong deals with a broad range of subjects so that one can make out the development of a complete system of philosophy. A work of a more general character is “The Theory of Objects” (1904b), a kind of manifesto, which was continued by the apologetic and also programmatic book On the Place of the Theory of Objects in the System of Sciences (1907).