When the Field Museum sold more than 30 works of 19th-century Western art for millions of dollars in 2004, it eased controversy by announcing plans to spend the proceeds on new artifacts and by holding on to four of the best paintings from the collection.
But within seven years, the museum had sold off the four remaining works by famed artist George Catlin and used some of the money to create a fund whose earnings would go toward certain staff salaries.