1. Assorted dried and canned foods Collection: Human Ecology Historical Photographs Set: Departments and Divisions Food and Nutrition Date: 1918 Format: Image Photographer: Troy, J. P. (John Patrick)
2. Food preservation activity at laboratory stations Collection: Human Ecology Historical Photographs Set: Departments and Divisions Food and Nutrition Date: 1920 Format: Image Photographer: Troy, J. P. (John Patrick)
3. Food preservation activity at laboratory stations Collection: Human Ecology Historical Photographs Set: Departments and Divisions Food and Nutrition Date: 1920 Format: Image Photographer: Troy, J. P. (John Patrick)
4. Woman demonstrating canning of cauliflower, peppers, and grapes Collection: Human Ecology Historical Photographs Set: Departments and Divisions Food and Nutrition Date: 1923 Format: Image Photographer: Troy, J. P. (John Patrick)
