Amsterdam, North-Holland Publishing Company, 1954. 8vo. Orig, full cloth w. gilt lettering. (6),205 pp.
First edition.The book contains, amongst others, essays by the famous psychologist Jean Piaget (1896-1980), entitled 'Le language et la pensée du point de vue génétique', and by the prominent linguist Eric Buyssens (1900-2000), entitled 'Speaking and thinking from the lingustic standpoint"".