The new psychology of the unconscious / by C.W. Valentine.

London : Christophers, 1928,©1921.

xiv, 15-162 pages ; 20 cm

"First published December 1921, reprinted May 1922, reprinted (revised under new title) October 1928"

"For the present edition there has been a revision of the whole book (which was first issued and reprinted under the title of ʻDreams and the unconsciousʼ) with the addition of another chapter and of substantial new matter in earlier chapters"--Pref

Bibliography: p. 161-162.