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https://www.bilketa.eus/ark:/27020/art1018625image/jpegElosu, Fernand (1875-1941)BLK, -1908-03-01vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/art1018625&mat=articleNumfreL'action syndicale 1908-03-01domaine publicpublic domainMalthusianismoMalthusianismeRégénération - 04 - La lutte contre la dépopulation