Crossword puzzle clue "write rev ditty roman god"

Write (rev.) + Ditty = Roman god

"To write is to write is to write . . ." writer

Rev.'s rev.

"What thou ___, write . . . ": Rev. 1:11

He sang (but did not write) "I Write the Songs"

It may be used to write down a write-off

Improper way to write 59 in Roman numerals

Best-selling author who wrote "I did not write it. God wrote it. I merely did his dictation"