• National Center for Home Food Preservation — Also “Preserving Food at Home: A Self-Study” course.
• Master Food Preserver Program, University of Maine Cooperative Extension
• Let’s Preserve — Series of 13 fact sheets (2 to 6 pages each) on canning and freezing fruits and vegetables, with recipes.
• Canning & Freezing Quick-Guides — 2-page bulletins listing basic preparation steps, times, jar sizes, etc. for canning and freezing commonly preserved vegetables and fruits.
• Canning FAQs, Canning Across America
• Vegetable Planting Guide and Recommended Planting Dates
• Approximate Yields for Canned or Frozen Fruits and Vegetables
• Fillmore Container — wholesale glass jars by the case