Most, if not all, Joy Division vinyl releases on Factory records contained messages inscribed on the fade-out groove (the space between the last song and the record label). In chronological order, by release:

I've been looking for a guide
Unknown Pleasures LP, side B
I've Seen the Real Atrocities
Transmission 12 inch, side A
Buried in the Sand
Transmission 12 inch, side B
Don't disillusion me
Love Will Tear Us Apart single, side A
I've only got record shops left
Love Will Tear Us Apart single, side B
Pure spirit
Love Will Tear Us Apart 12 inch, side A
Spectacle is a ritual
Love Will Tear Us Apart 12 inch, side B
Old Blue?
Closer LP, side B
Here Are the Young Men
She's Lost Control 12 inch, side A
But Where Have They Been
She's Lost Control 12 inch, side B
The Chicken Won't Stop
Still LP, side A
The Chicken Stops Here
Still LP, side D