. "Loyd" . "Sam" . "Sam Loyd" . "1841" . "1911" . . "O. Dreyer" . . . . "2018-03-10" . . "Hundertfünfzig Schachaufgaben" . "150 schachaufgaben," . . . . "6612738" . . "de" . "2. verm. Aufl." . "1912" . . . . . . . . "6612738" . . . "Berlin" . . . . "1912" . . "gw" . . "Weiss" . "Max" . "Max Weiss" . "1870" . "1927," . .