After 1220 Stepan merged into the Novgorodian political struggle. He showed himself as an adherent of the alliance with Vladimir-Suzdal princes, considering them helpful against Germans and Swedes. In 1230 Stepan arranged a coup to be elected posadnik. He managed to smooth the rivalry between the boyar factions, which facilitated Novgorodian victories over external enemies in 1234, 1240 and 1242.
- Great Soviet Encyclopedia (1976), vol. 24 (I), p. 487