Take sausage out of casings, cook well, but do not brown.
Drain excess grease. Add Mozzarella to sausage.
Add parsley, mix well. Set aside 1 egg yolk.
Beat remaining eggs in separate bowl. Add Romano cheese, salt && pepper to eggs.
Blend in sausage mixture. Cut each loaf of bread dough in half and roll out in long narrow strips.
Spread 1/4 of sausage mixture down the center of each strip. Roll up, jelly roll fashion.
Seal with egg yolk. Repeat with other dough strips.
Brush loaves withegg yolk. Let rise until double in bulk. Bake on a cookie sheet at 350 until golden brown, 30-45 minutes.
Slice loaves to appropriate pieces for serving (may freeze at this point).