Carnap, Rudolf: Der Raum. Ein Beitrag zur Wissenschaftslehre.
 
Berlin, Verlag von Reuther & Reichard, 1922. 8vo. 88 pp.
 
First edition, sewn as issued in printed wrappers, backstrip slightly defective, wrappers loose, front wrapper very slightly chipped in upper inner corner.
 
Inscribed on upper wrapper, almost certainly to previous owner Swedish philosopher Konrad Marc-Wogau (1902-1991): “Mit bestem Dank! R. Carnap”.
 
First edition of Carnap’s first publication, his doctoral thesis, published as Kant-Studien, 56.