Two of Redenbacher's appointment books, Pittsburgh Plate Glass Company's Chemical Division (personal calendars with notations) , 1962 - 1977

The Orville Redenbacher papers contain artifacts, papers, certificates, plaques, photographs, advertisements, items from Purdue University (1928, the year Redenbacher received his Bachelor of Science degree) and a 1988 honorary Doctorate from Purdue, among other items which represent aspects of Orville Redenbacher's career. Some of the artifacts consist of an extensive bow tie and tie collection, various honorary 4-H plaques and certificates, photographs which document the first commercial Redenbacher made, desk planner diaries and appointment books with notations made by Redenbacher, and his leather briefcase.