This collection contains materials related to the lives and work, and memorials for, three Columbia University professors known by R.K. Webb: J. Bartlet Brebner, Stephen Koss, and Garrett Mattingly. R.K. Webb, Professor of History Emeritus at University of Maryland-Baltimore County, studied under Professors Brebner and Mattingly as a graduate student at Columbia University, later taught at Columbia University in the Department of History, and served as editor of the American Historical Review.