34. Yves-Charles Grandjeat, "Capital Ventures and Dime Novels: U.S.-Mexican Relations during the Porifiriano," in Serge Richard, ed., An American Empire: Expansionist Cultures and Policies, 1881–1917 (Aix-en-Provence, 1990), 137–49; William Schell Jr., "American Investment in Tropical Mexico: Rubber Plantations, Fraud, and Dollar Diplomacy," Business History Review 64 (Summer 1990), 219.