Venison in Red Wine Casserole without peas

1 (5 -6 lb) venison roast 3 cups dry white wine 1 large onion , thinly sliced 12 black peppercorns 12 whole cloves 6 whole allspice 1 bay leaf 1/4 teaspoon[...]

2 lbs sausage 1 ounce butter 1 shallot 1 garlic clove 10 fluid ounces red wine bouquet garni 1 piece celery 1 pinch allspice 2 teaspoons flour 2 tablespoons[...]