Complex sentence: These facts justify the opinion that the basis of the Dominican Rite was the typical Gallican Rite of the thirteenth century, but documentary evidence that the rite was adapted from any one locality is lacking.
Split into simpler sentences: These facts justify the opinion that the basis of the Dominican Rite was the typical Gallican Rite of the thirteenth century. But documentary evidence that the rite was adapted from any one locality is lacking.