The short characteristics of chosen works, which I have presented above, makes us aware how great is the variety of ways of using insanity in literary works. However, they simultaneously show that there exist certain premises for building a particular typology, which could encompass all possible variants or several complementary typologies allowing quite a clear description of this complicated material. The basic rule of such a systematisation could be the place of insanity in a literary work or in literary communication, as different works treat this phenomenon in different ways. First, the insanity can simply be an object of a more or less accurate description. Thus, then the insanity is a trait of character’s personality, it functions ...