Pictures Of Impacted Feces What Are Some Primary Sources That Would Help Research The History Of Anesthesia?

What are some primary sources that would help research the history of anesthesia? - pictures of impacted feces

I'm doing a project for the anesthesia of short duration and the story of how they affected and changed the country. I need help finding primary sources, because of the 112 sources that have a primary, and it is a picture I am me.