Sent to Côn Đảo prison
· Côn Đảo Prison, Côn Sơn Island, Bà Rịa–Vũng Tàu, Vietnam
Wikimedia Commons · Creative Commons Attribution-ShareAlike 3.0 Unported · file After arrest by French colonial authorities, Thọ was sentenced to hard labor and deported to the Côn Đảo prison complex. The source gives November 1930 but not a day.
