Clam Chowder with greens

1 lb margarine 3/4 lb all-purpose flour 1 (23 ounce) can clam juice 1 (25 ounce) can clams , chopped 1 1/2 cups diced celery 1 1/2 cups diced onions 1 1/2[...]

4 slices bacon , chopped 3 (6 1/2 ounce) cans whole shelled clams 3 tablespoons butter or 3 tablespoons margarine 1/2 cup chopped celery 1/2 cup chopped onion[...]

1/4 cup butter 2 onions , finely chopped 1/4 cup flour 4 cups milk 3 medium potatoes , peeled & diced 1 teaspoon thyme 1/4 teaspoon salt (or more to taste)[...]