Acknowledgments The following institutions graciously granted permission to reproduce the images found in this book: the Amherst Special Collection at Amherst Col- lege, the collection of Andres Blaisten, the Archivo General del Estado de Nuevo León, the Archivo General de la Nación in Mexico City, the Biblio- teca Lerdo de Tejada, the Art Archive, the Colección Museo Dolores Olmedo, the Davis Museum at Wellesley College, the Dirección General de Activida- des Cinematográficas de la Universidad Nacional Autónoma de México, the Jacques and Natasha Gehman Collection of Mexican Art, and the Instituto Tlaxcalteca de Cultura. We also wish to thank the following institutions and individuals for permis- sion to reproduce the paintings of Diego Rivera, José Clemente Orozco, David Alfaro Siqueiros, Frida Kahlo, and María Izquierdo: the Instituto Nacional de Bellas Artes, the Banco de México, © Clemente Orozco V., Art © Estate of David Alfaro Siqueiros (somapp/vaga), Aurora Posadas Izquierdo, and Darlene Lutz. Thanks also to Sarah M. Lowe for permission to reproduce ma- terial from her book Frida Kahlo, Universe Series on Women (New York: Uni- verse, 1991) and to Natalie Hanemann for preparing the maps. Funds for the publication of this volume were provided by the Department of History and the General Research Board at the University of Maryland and by the Office of the Provost and the College of the Humanities and Fine Arts at California State University, Chico. Finally, we thank our contributors for their work and patience, and Valerie Millholland, Miriam Angress, and the editorial staff and art production staff at Duke University Press for patiently guiding this volume to publication. .