in Superboy (K. G. Murray, 1949 series) #30 ([July 1951] ?)Pencil credits from Dan Makara 5/09. Bob Bailey 15 May 2005 thinks Win Mortimer pencilled this cover. Pat Lang thinks Mort Drucker pencilled this cover.
in The Hundred Comic Monthly (K. G. Murray, 1956 series) #7 ([April 1957])