Analysis of information sources in references of the Wikipedia article "Războiul polono-sovietic" in Romanian language version.
Notwithstanding the hostility of the Zionists, and of extreme Polish nationalists (who succeeded at the height of the Battle of Warsaw in persuading the authorities to intern all Jewish volunteers as potential sub-versionists), the majority of established Jewish leaders decided to co-operate with the government.
Lithuanian nationalism was fundamentally anti-Polish in character and Polish–Lithuanian relations deteriorated still further in August 1919 as a result of an attempted coup by the Polish Military Organization (POW) aimed at placing a pro-Polish government in power at Kaunas (Kovno).