After joining the staff of the Burgholzli Mental Hospital in 1900, Jung developed and applied the word-association tests for studying normal and abnormal psychology. The studies have remained a significant phase in the development of Jung's conceptions and an important contribution to diagnostic psychology and psychiatry. Between 1904 and 1907 he published nine studies on the tests. These studies, together with two lectures on the association method given in 1909 at Clark University and th...

For many centuries scientists and philosophers have endeavoured to solve the baffling problem of human language. Originally published in 1949, Dr Stein had been fascinated by this problem and collected an enormous amount of data from past and present ages which, when viewed together, shed light upon the origin, evolution and meaning of human speech. He adheres to the broad concept that the development of the individual is a brief recapitulation of the evolution of the race, and has attempt...