In the cookbook, La Cucina, the Regional Cooking of Italy, there are 3 recipes for Chicken Caccaitora. This is the first recipe of the three recipes.
Method-
Heat half the olive oil in a large pan and add the onions, carrots and celery. When they have taken on color, remove them and set aside.
Put the chicken in the pan with the remaining olive oil and when the pieces have colored, add the white wine. When the wine has evaporated, add the tomatoes and reserved vegetables. Continue cooking at low heat about 40 minutes., adding a little broth if necessar. Adjust for salt and pepper.