Analysis of information sources in references of the Wikipedia article "גדוד נכטיגל" in Hebrew language version.
During April-June 1941, Abwehr organized again two new Battalions mostly from adherents of OUN-B : Special group 'Nightingale'" (Sondergruppe 'Nachtigall' ) and Organization 'Roland' [...].
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: (עזרה)When Germany invaded the Soviet Union, Roland advanced into Southern Bessarabia and Nachtigall crossed into Galicia with Army Group South.
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: (עזרה){{cite web}}
: (עזרה); (עזרה) стр. 17-30{{cite web}}
: (עזרה); (עזרה) стр. 17-30