А. Cramer. Ueber Sinnestauschungen bei geisteskranken Taubstunimen. —Archiv f. Psychiatrie, Bd. XXVIII, Heft 3

In view of the insufficient understanding of this very important issue, the author's work is of considerable interest, although it consists of a description of one well-studied case and a brief note about another. Cramer argues that with congenital deafness, higher mental development can be achieved in the absence of sound images of words.