"The Old Operating Theatre". The Old Operating Theatre Museum & Herb Garret (بالإنجليزية الأمريكية). Archived from the original on 2024-07-13. Retrieved 2022-01-19.
"The Old Operating Theatre". The Old Operating Theatre Museum & Herb Garret (بالإنجليزية الأمريكية). Archived from the original on 2024-07-13. Retrieved 2022-01-19.