Jon Hall - Tumblr Posts
The Invisible Agent (1942) Dir: Edwin L. Marin
People Who Live In Transparent Bodies Shouldn't Be So Suspicious.
http://www.imdb.com/title/tt0034902/
https://books.google.co.uk/books?id=QDbfCQAAQBAJ&pg=PA80&lpg=PA80&dq=The+invisible+agent&source=bl&ots=nxVSriDQuh&sig=rCMoDzyzD_BtYQ7tSE6HYmmKX-c&hl=en&sa=X&ved=0ahUKEwjpr7r0s4TXAhWIh7QKHc3NB3I4FBDoAQg1MAM#v=onepage&q=The%20invisible%20agent&f=false
https://machinemean.org/2016/05/11/universal-monsters-in-review-invisible-agent-1942/
http://jeffowens.blogspot.co.uk/2015/10/invisible-agent-1942.html
https://thetelltalemind.com/2015/08/21/the-invisible-agent-1942-the-visuals/
The Invisible Man's Revenge (1944) Dir: Ford Beebe
In This House, You've Got To Believe What You Can't See.
http://www.imdb.com/title/tt0036959/
http://www.1000misspenthours.com/reviews/reviewsh-m/invisiblemansrevenge.htm
https://thetelltalemind.com/2015/08/22/the-invisible-mans-revenge-1944-the-visuals/
https://historyofhorrorcinema.blogspot.co.uk/2017/01/the-invisible-mans-revenge-1944.html
https://classichorrors.wordpress.com/2017/06/09/universal-monsters-the-invisible-mans-revenge-1944/