If you or someone profits from the lecture then you are required to get permission from the owner of the copy right. To be totally legal you would need their permission to use it for anything other then your personal viewing.
I dont think its is
Law of the West - film - was created in 1932.
Street Law - film - was created in 1974.
The Law of Enclosures - film - was created in 1999.
Yes, blackmail it is against the law.
Joshua Ryland Marshman has written: 'Lecture on law studies' -- subject(s): Law, Study and teaching
The duration of Murphy's Law - film - is 1.67 hours.
The duration of Above the Law - film - is 1.65 hours.
The duration of Law of the West - film - is 3480.0 seconds.
The duration of Street Law - film - is 1.75 hours.
The duration of Criminal Law - film - is 1.95 hours.
The duration of The Law of Enclosures - film - is 1.85 hours.