Pervasive Arctic lead pollution suggests substantial growth in medieval silver production modulated by plague, climate, and conflict by McConnell, JR, Chellman, NJ, Wilson, AI, Stohl, A, Arienzo, MM, Eckhardt, S, Fritzsche, D, Kipfstuhl, S, Opel, T, Place, PF, Steffensen, JP

Pan-European atmospheric lead pollution, enhanced blood lead levels, and cognitive decline from Roman-era mining and smelting by McConnell, JR, Chellman, N, Plach, A, Wensman, SM, Plunkett, G, Stohl, A, Smith, N, Vinther, BM, Dahl-Jensen, D, Steffensen, JP, Fritzsche, D, Brugger, SO, McDonald, BT, Wilson, AI