Hi, Fred - you could use Roud (click) to compare the contents of the Flanders books. One should also be able to do that with the Traditional Ballad Index, but the Ballad Index search engine hasn't been very cooperative in recent years. This link seems to work, but are there only 31 songs in the first volume of "Ancient Ballada"?

-Joe, pleased to be a new owner of "Ancient Ballads"-