A new set of essays on Tom & Goldberry appear to be in the process of being unleashed. The first is now available:
https://priyasethtolkienfan.wordpres...colorful-pair/
The author has began to look at the episode in terms of color symbolism not ever discussed before. In particular - deliberate contrivance by Tolkien to exploit “green as a fairy color”.
If there really are five essays – then the discussion is in its infancy – with obviously much more to come.