1. Some Properties of Closed Convex Curves in a Plane
2. Some Unsolved Problems in Plane Geometry
3. O nekotoryh geometriceskih svoistvah zamknutyh krivyh (On certain geometrical properties of closed curves);Schnirelmann;Sbornik rabot matematičeskogo razdela sekcii estestvennyh i točnyh nauk Komakademii, Moskva (1929); Uspehi Matematičeskih Nauk,1944
4. 2. Klee Victor and Wagon Stan . New and old unsolved problems in plane geometry and number theory (Mathematical Association of America, to appear).