Duncan MacDougall’s Attempts to Weigh the Soul (sources)

https://www.newspapers.com/image/135460329/?terms=%22duncan%2Bmacdougall%22

https://www.newspapers.com/image/328971534/?terms=%22duncan%2Bmacdougall%22

 

paranormal macdougall: https://www.newspapers.com/image/440901550/?terms=%22duncan%2Bmacdougall%22