T he Archival Photographic Files document the history of the University of Chicago and the development of its campus, academic programs, and community life. Individuals & Groups Images not yet available online. Images of U of C faculty, students, staff, alumni, admini­strators, donors, visitors as well as academic and admini­strative groups, classes, and depart­ments. Buildings & Grounds Images of U of C buildings, campus plans, and sur­rounding neighbor­hoods including Hyde Park, Kenwood, and Woodlawn. Events Images of U of C academic, public, and historical events, ceremonies, inaugu­rations, reunions, and visits of notable individuals. Student Activities Images of U of C classes, social clubs, fraternities, recreational activities, academic registration and orientation, student residences, and theatrical groups and productions. Sports Images not yet available online. Images of individual athletes, athletic teams, and sporting events for the U of C and the University High School. Yerkes Observatory Images of the construction of the main observatory, instruments, astronomers, staff and visitors, expedi­tions, observatories, and the universe. Acknowledgments The University of Chicago Library gratefully acknowledges the generous support of the University of Chicago Women's Board, Leon and Marian Despres, and the John Crerar Foundation in the development of the Archival Photographic Files digital collection.