@Misc{610653105,
title="Beitr{\"a}ge zur Geschichte der Arbeiterbewegung",
year="1929",
month="1931",
publisher="Hoym",
address="Hamburg [u.a.]",
note="1.1929 - 4.1931[?]",
note="Repr.: M{\"u}nchen : Omnia-Minireprint, 1975",
language="German"
}