Analysis of information sources in references of the Wikipedia article "Blue Army (Poland)" in English language version.
Haller's army ("Blue Army"), force of Polish volunteers organized in France during the last year of World War I, responsible for the murder of Jews and anti-Jewish pogroms in Galicia and the Ukraine... Attacks on individual Jews on the streets and highways, murderous pogroms on Jewish settlements, and deliberate provocative acts became commonplace.
Haller's army ("Blue Army"), force of Polish volunteers organized in France during the last year of World War I, responsible for the murder of Jews and anti-Jewish pogroms in Galicia and the Ukraine... Attacks on individual Jews on the streets and highways, murderous pogroms on Jewish settlements, and deliberate provocative acts became commonplace.