'Head & Rivers' Theory of the Afferent Nervous System', corrected typescript Front page has the Ms. note: 'Script of paper published in Brain 1942 but written in 1921. Head still alive then & Trotter indicated to me that it was unlikely that any journal would accept the paper. So it was put away till 1942 & used as part of a paper on the Anatomy of Subcutaneous Sensibility. FMRW'. c1921