in Showcase Presents Superman (DC, 2005 series) #4 ([September] 2008)Inside front cover; published in cooperation with the National Social Welfare Assembly.
Previously appeared in DC comics cover-dated August 1962.
in The Best of DC (DC, 1979 series) #16 (September 1981)
in Showcase Presents Superman (DC, 2005 series) #4 ([September] 2008)house ad for Strange Adventures (DC, 1950 series) #153, Adventure Comics (DC, 1938 series) #309, The Fox and the Crow (DC, 1952 series) #80, and Metal Men (DC, 1963 series) #2
membership application form for the Supermen of America; also includes message in secret code (Code Mars No. 3)
Decoded message reads: "The Silver Anniversary Giant Superman Annual will be on sale June thirteenth."
letters submitted by Joe Nursey; Jim Walker; Carolyn Campbell; Jerry Sears; Bill Parker; Fred Bronson; Larry Lucier; Joyce Bracken; John Patridge; Reggie Brown; Richard Baker; Gordon O'Rourke; Ed Jacobsen
from Batman (DC, 1940 series) #72 (August-September 1952)
in Adventure Comics (DC, 1938 series) #390 (March 1970)
in 80 Page Giant (DC, 1964 series) #G69 (March-April 1970)
in Showcase Presents: Supergirl (DC, 2007 series) #2 ([December] 2008)
from World's Finest Comics (DC, 1941 series) #58 (May-June 1952)