Silo has appeared in 98 comics from King Features Syndicate since 1975. The most recent cataloged appearance dates to 2002. Most cataloged appearances come from Knasen.
One-Shot
Harry N. Abrams
Egmont Comics
52 issues
Semic/Nordisk Forlag AS
12 issues
1192 issues
Semic Press AB
1 issue
Street Enterprises
232 issues
JuniorPress BV
9 issues
The Comics: Since 1945 (2002)
Schassen och Knasen (1998)
Billy Sommerspesial (1986)
Knasen (1970)
Billy Spesial jubileums-utgaven (1985)
Menomonee Falls Gazette (1971)
Orville P. Snorkel
Carl James Bailey
Cornelius Jowls
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