Barbecued Chicken Sandwiches

1 1/2 lbs boneless skinless chicken breasts 1/2 cup barbecue sauce 1 cup mayonnaise 1/2 cup finely chopped sweet onion 1/2 cup finely chopped celery 1/4[...]

2 (3 -3 1/2 lb) broiler chickens or 2 (3 -3 1/2 lb) broiler-fryer chickens , cooked and shredded 1 large onion , chopoped 2 cups water 1 1/2 cups ketchup 1/4[...]

6 cups diced chicken , cooked 2 cups celery , chopped 1 cup onion , chopped 1 cup green pepper , chopped 4 tablespoons butter 2 cups ketchup 2 cups water 2[...]