Mayde Joss served as housemother for Northwestern's chapter of Phi Delta Theta, a fraternity located the campus of Northwestern University, from 1947 to 1973. The Mayde Joss collection consists of 33 small format black-and-white photographic prints and 13 35mm color slides. The photographs appear to date from the late 1940s or early 1950s, Joss’s early years as housemother for Phi Delta Theta fraternity.