http://homecooking.about.com/od/specificfood/a/gelatintips.htmDescription retrieved from the page: Some fruits will prevent gelatin from thickening. Find out how to avoid problems when cooking with gelatin.
2 - How to Make Gelatin Salads
http://busycooks.about.com/cs/salads/ht/gelatin.htmDescription retrieved from the page: Learn how to use unflavored gelatin, powdered flavored gelatin, or sheet gelatin to make molded salads, fruit desserts, aspics, and frozen puddings.
3 - Cook's Thesaurus: Gelatins
http://www.sonic.net/~alden/ThickenGelatins.htmlDescription retrieved from the page: Gives synonyms, equivalents, and substitutions for gelatins used in cooking.