In this remarkable book historian Daniel James presents the gripping, poignant life-story of Do a Mar a Rold n, a woman who lived and worked for six decades in the meatpacking community of Berisso, Argentina. A union activist and fervent supporter of Juan and Eva Per n, Do a Mar a's evocative testimony prompts James to analyze the promise and problematic nature of using oral sources for historical research. The book thus becomes both fascinating narrative...