1. Bank of England Archives. 1935. Selected items.
2. , . 1932. The New York Money Market Vol IV: External and Internal Relations. Columbia University Press: New York.
3. 1959. Monetary Policy Under the International Gold Standard, 1880–1914. Federal Reserve Bank of New York: New York.
4. 1963. Short-term capital movements under the pre 1914 gold standard. Princeton Studies in International Finance No. 1.
5. Board of Governors of the Federal Reserve System. Federal Reserve Bulletin, ‘Treasury and Federal Reserve Foreign Exchange Operations’, (September 1962, March & September issues, 1963–1972, March 1973, July 1973, January 1974) [Referred to in the text as Bulletin].