| 1. grapefruit marmalade |
| The New Doubleday Cookbook by Jean Anderson and Elaine Hanna (1985) |
| 2. grapefruit marmalade |
| Kerr Home Canning and Freezing Book (1982) |
| 3. grapefruit marmalade |
| The Recipe Encyclopedia published by Whitecap Books (1995) |
| 4. grapefruit marmalade |
| Guide to Home Canning and Freezing - Ball Blue Book (1999) |
| 5. orange, lemon and grapefruit marmalade |
| Joy of Cooking by Irma S. Rombauer and Marion Rombauer Becker (1975) |