Wilfred Trotter

1872 – 1939

• Instincts of the Herd in Peace and War
• Instincts of the herd in peace and war
• Instincts of the herd in peace and war
• Instincts of the herd in peace and war
• Instincts of the herd in peace and war, 1916-1919
• Instincts of the Herd in Peace and War: By W. Trotter
• The collected papers of Wilfred Trotter, F.R.S
• The collected papers of Wilfred Trotter, F.R.S