Das Problem der Zeit. Eine historische und systematische Untersuchung.

Gent, Werner.

Verlag Gerhard Schulte-Bulmke, Frankfurt a.M., 1934

24.5 x 16 cm, softcover, xii, 188, (4) pages, Text in German, small signs of use, corners slightly bumped, paper browned, although still in good condition, see picture.