One of my partners in Book of Abraham studies, Vincent Coon, has a new article entitled The Tetragrammation and Earth:
Here is a link to it:
Tetragrammation and Earth
This has to do with the circle-and-cross symbol used in Joseph Smith's Egyptian Alphabet and Grammar to symbolize the Earth, and how the vocalization for this symbol is "Ja-oh-eh," something many scholars have either identified with or equated to the name Jehovah (pronounced Ya-Oh-Eh, Ia-Oh-Eh or Yahweh, depending on how you try to represent the vocalizations).
While I don't agree with everything, I think some of it is very good.