Keywords: Principles of Psychology (James) v1 p57.png en The human brain the four parts most concerned with speech <P>Fig 18 Associated text The subjoined diagram from Ross shows the four parts most critically concerned and in the light of our text needs no farther explanation <P> <P>From the first edition of The Principles of Psychology by William James 1890 vol I page 57 <P> 1890 https //archive org/details/principlesofpsyc001jame Internet Archive scan of the book William James other versions PD-old-100-1923 Principles of Psychology 1890 Illustrations of the human brain |