Socialist Party of New York. Socialist Appeal: Organ of the Socialist Party of New York, Left Wing Branches. New York: Socialist Appeal Publishing Association.
Lua i Stíl Chicago (17ú heag.)Socialist Party of New York. Socialist Appeal: Organ of the Socialist Party of New York, Left Wing Branches. New York: Socialist Appeal Publishing Association.
Lua MLA (8ú heag.)Socialist Party of New York. Socialist Appeal: Organ of the Socialist Party of New York, Left Wing Branches. New York: Socialist Appeal Publishing Association.
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