The collection contains trip reports, correspondence, slides, maps and travel booklets related to Schlubatis' time spent working as an agriculture agent overseas. There are also awards, scrapbooks, and photographs. Also included are materials related to his wife Harriet Schlubatis including awards, a Michigan Normal School yearbook, and a student expense register.

The Margaret Foster Shadduck collection contains programs, schedules, season tickets for Michigan State University Lecture-Concert Series and World Travel Series from 1968-1981. There are also Michigan State University class of 1926 reunion materials which include photographs and newsletters. Other materials include Shadduck's Michigan State College (now Michigan State University) diploma, graduation hood and a Cooperative Extension Workers creed.