NÖLB ) Helleiner, Karl F., 1902-1984: Moral conditions of economic growth. - o.O., 1951. - S. 97-116 ( Kollat: S. 97-116)Aus: The journal of economic history ; 11. 1951, 2
Sign.: LA: Lsd 690 * Regal: NÖ Landesarchiv SD
Sign.: LA: Lsd 806 * Regal: NÖ Landesarchiv SD