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301Subjects: “…Archives of the Trades Union Congress…”
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302Subjects: “…Archives of the Trades Union Congress…”
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303Subjects: “…Archives of the Trades Union Congress…”
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304Subjects: “…Archives of the Trades Union Congress…”
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305Subjects: “…Archives of the Trades Union Congress…”
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306Subjects: “…Archives of the Trades Union Congress…”
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307by Schevenels, Walther, b. 1894Subjects: “…Archives of the Trades Union Congress…”
Published 18 June 1938
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308by Citrine, Walter, 1887-1983Subjects: “…Archives of the Trades Union Congress…”
Published 11 April 1938
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309by Azcárate, Pablo de, 1890-1971Subjects: “…Archives of the Trades Union Congress…”
Published 07 April 1938
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310Published c.1938Subjects: “…Archives of the Trades Union Congress…”
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311Published c.1938Subjects: “…Archives of the Trades Union Congress…”
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312Published c.1938Subjects: “…Archives of the Trades Union Congress…”
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313Published c.1938Subjects: “…Archives of the Trades Union Congress…”
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314Published c.1938Subjects: “…Archives of the Trades Union Congress…”
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315by Citrine, Walter, 1887-1983Subjects: “…Archives of the Trades Union Congress…”
Published 11 April 1938
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316Published 14 March 1938Subjects: “…Archives of the Trades Union Congress…”
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317by Tomás Alvarez, Belarmino, 1887-1950Subjects: “…Archives of the Trades Union Congress…”
Published 07 March 1938
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318Published 14 March 1938Subjects: “…Archives of the Trades Union Congress…”
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319by Citrine, Walter, 1887-1983Subjects: “…Archives of the Trades Union Congress…”
Published 18 October 1937
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320by Citrine, Walter, 1887-1983Subjects: “…Archives of the Trades Union Congress…”
Published 18 October 1937