Robert Sobel

• For Want of a Nail
• AMEX
• Microencapsulation in the Food Industry
• Coolidge
• Crashes, Booms, Panics and Government Regulation
• Age of Giant Corporations
• Biographical Directory of the Governors of the United States, 1789-1978
• Great Boom 1950-2000
• Panic on Wall Street
• RCA
• Review notes and study guide to the peloponnesian war by Thucydides
• The Big Board