As you mentioned yourself, there is sure to be a shift of variants.
His work is valuable because of the above mentioned variants.
In Hartland's "Legend of Perseus" a collection of variants of this story will be found.
Afanasief, in his notes to this story, gives several of its variants.
This is a very well-known shanty, and the variants of it are endless.
This legend, with variants, is found in many parts of the world.
Of all the variants of this type it is in China that we find the one most resembling it.
Its variants are legion, and I can only refer to a few of them which are of special interest.
The variants of Thompson might put it a place or two higher.
In some of the variants these meetings are in church and not at a ball, royal or otherwise.