What has the author Anthony Olcott written?

It seems you're asking about an author named "Anthony Olcott." However, there is no widely known author with that name. It's possible you're thinking of a different name or there's a less known author with that name.

Could you please double-check the spelling or provide more context about the author? For example:

* A book title: "What has Anthony Olcott written, specifically the book about..."

* A genre: "Is Anthony Olcott a science fiction writer?"

* A specific work: "Did Anthony Olcott write the article..."

With more information, I can help you find the information you're looking for.