Butzke, C. E. (2008). Wines. Commodity Storage Manual (1-4). World Food Logistics Organization.
Butzke, C. E. (2008). Wine Aroma Descriptor Manual.
Butzke, C. E. (2005). Wine Filtration Workshops. 65th Annual Meeting of the American Society for Enology and Viticulture. http://www.asev.org/Events/AnnualMeeting/2005/ds_filtration.htm
Butzke, C. E. (2005). The Science of Closures. Annual Meeting of the American Society for Enology and Viticulture. http://www.asev.org/Events/AnnualMeeting/2005/ds_closures.htm
Butzke, C. E. (2005). Detection of Musty Taint: TCA as a Special Case. Conference OFF-FLAVOURS: MUSTY TAINT IN WINE AND OTHER BEVERAGES.
Butzke, C. E. (2005). Vinum Purduensis: An Introduction. Department of Food Science Industrial Associates Meeting.
Butzke, C. E. (2005). Industry-Applied Research in Enology - Past and Future Projects. Department of Food Science Seminar.
Butzke, C. E. (2005). Concepts for Enology Outreach to Indiana Wineries. Department of Food Science Seminar.
Butzke, C. E. (2005). Post-harvest Greetings, Indiana Vintners!. Indiana Wine Grape Concil News Notes.
Butzke, C. E. (2005). Wine Quality Control Basics. Indiana Wine Grape Council Fall Grape and Wine Workshop.