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Does unemployment have a causal impact on fertility? An empirical analysis based on Walloon municipalities.
Trade Must Go On. The Tar Trade, Nordic Rivalry, and Cross-Imperial Commercial Diplomacy, 1675–79
Governing economic interests: Interwar road construction in Belgian Congo
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Post und eisenbahn Karle von Deutschland, den Niederlanden, Belgien und der Schweiz. nach L. Friedrich's Post, eisenbahn und Reise Karte von Mittel-Europa / Red. v. C. Vogel, .