What is the fine-grained topic of the following text: In the workplace Mary Sue has worked as Secretary to the Department of Romance Languages at Harvard University (1960-1962), Church Secretary/Administrator for her church (1971-1986), Manpower, Inc. (1988-1990), and office support for Camp Waukeela, Eaton Center, NH (1990-1992). Only return the topic.
Mary Sue's work history in administrative roles.