What has the author Irene Wittig written?

It seems you're asking about an author named Irene Wittig. However, there doesn't seem to be a widely recognized author with that name.

It's possible:

* The name is misspelled. Could you double-check the spelling?

* The author is less known. Perhaps they write in a specific niche or genre. Do you have any more information about their work, like the genre or topics they write about?

* You might be thinking of a different author. Do you recall any other details about them, like their nationality or the time period they wrote in?

Please provide more details so I can help you find the author you're looking for!