Ghosks is the Bunk is the original title, but it was mistakenly changed to "Ghosk is the Bunk" when colorized years later. This mistake came from tracing over the original title card.
As the register pages seem to turn themselves, Popeye says, "Turned with the wind, I guess." This is a reference to Via col vento (1939), released the same year.
Radio programs, with sound effects, were popular entertainment at the time this short was released. Horror, thriller, and suspense programs were the norm, and this cartoon takes advantage of that.
When the "man that wasn't there" approaches, Popeye says, "His father must have been a glazier or something, I guess." A glazier is a person whose profession is fitting glass into windows and doors.
No "ship-door" opening segment.