I'm sure any search engine can give you exactly what you seek. The extent of my knowledge of Molech symbolism is brief anecdotes from church. So, owls and bulls or owl/bull men. There may even be other symbols beyond those. I would be shocked if it was only those two. :)
Sometimes moloch is depicted using owl imagery as well.
Was that in antiquity or in recent years only?
Both is my understanding.
Any references from long ago?
I'm sure any search engine can give you exactly what you seek. The extent of my knowledge of Molech symbolism is brief anecdotes from church. So, owls and bulls or owl/bull men. There may even be other symbols beyond those. I would be shocked if it was only those two. :)