Certainly is John.
Over the years before the Internet, different Variations were noticed.
However, now we have the chance to compare stuff at the press of a button,
many more things are now showing up.
Many Thanks for the Debbie Taylor Scans,
Just shows that almost every Label continued through the 60's & 70's without too much thought toward the Credits, as long as they're somewhere on the label.
Different Font, Size, BOLD, CAPS, emphasis changing from one print run to another.
All it would appear controlled by the Printer, without question from Label Owner.
Even the Motown Empire where I had always thought that EVERY aspect was under close Quality Control
Have Various degrees of attention to Detail where the Label Credits were concerned.