from Walt Disney's Comics and Stories (Dell, 1940 series) #59 (August 1945)
from The Carl Barks Library (Another Rainbow, 1983 series) #9 (June 1985)changes:detail only;date:85;
part 1
from Walt Disney's Comics and Stories (Dell, 1940 series) #205 (October 1957)
from Walt Disney's Comics and Stories (Dell, 1940 series) #61 (October 1945)origpg: 2;
from Four Color (Dell, 1942 series) #1184 (June 1961)
from Walt Disney's Comics and Stories (Dell, 1940 series) #158 (November 1953)origpg:24;part:2; The basic plot of this story was created by Don Rosa for his college newspaper strip The Pertwillaby Papers in the 1970s. It was later reprinted in the Rockets Blast Comicollector fanzine and then collected in issue 2 of Don Rosa's Comics & Stories (Fantagraphics, 1983).