Carnegie Endowment for International Peace. Library.

• History teaching and school text-books in relation to international understanding
• The cost of war and preparedness for war
• The Permanent Court of Arbitration; select list of references on arbitartions before the Hague tribunals and the International Commissions of Inquiry, 1902-1928
• Education for world peace
• Education for world peace
• Neutrality
• Peace forces of today
• Peace projects
• The Permanent court of international justice and the relation of the United States to the court
• Traffic in arms, munitions, and implements of war control of their manufacture