Yeah. Those 9.5mm films usually had one excerpt from once film spliced with another excerpt from another film. I was able to get more complete versions of films by splitting them up. Sometimes those text boxes weren’t needed and the flow of the films would be better without them. The quality on those are so bad that it really isn’t worth it unless you have the actually 9.5mm films and can restore them like the professionals do.
Download this document. Is outdated but there is a lot of useful information on where some films are located. Most of the rare ones can only be found in various video archives that sometimes can only be viewed on site. It can get expensive for them to loan out or to make copies.