Original Legion of Super-Heroes is a 10-book series with 10 released primary works first released in 1982 with contributions by Jerry Siegel, Edmond Hamilton, Jim Shooter, George Klein, George Papp, Sheldon Moldoff, Cary Bates, E. Nelson Bridwell, Paul Levitz, Gerry Conway, Keith Giffen, and Steve Lightle.
#1 of 10 in Original Legion of Super-Heroes
1991 • 1 Reader • 255 pages • 4
#5 of 8 in Legion of Super-Heroes Archives
1998 • 1 Reader
#6 of 8 in Legion of Super-Heroes Archives
1997 • 1 Reader
#9 of 8 in Legion of Super-Heroes Archives
1999 • 1 Reader
#10 of 8 in Legion of Super-Heroes Archives
2000 • 1 Reader
#11 of 8 in Legion of Super-Heroes Archives
2001 • 1 Reader
#12 of 8 in Legion of Super-Heroes Archives
2003 • 1 Reader
#13 of 8 in Legion of Super-Heroes Archives
2012 • 1 Reader
#14 of 10 in Original Legion of Super-Heroes
2017 • 1 Reader • 312 pages
#241-258 in Superboy and the Legion of Super-Heroes
2018 • 1 Reader
#16 of 10 in Original Legion of Super-Heroes
2021 • 1 Reader • 344 pages
#Deluxe in The Great Darkness Saga Collected Editions
1982 • 2 Readers • 4
#19 of 10 in Original Legion of Super-Heroes
2011 • 1 Reader
#20 of 10 in Original Legion of Super-Heroes
2007 • 2 Readers • 2
#21 of 10 in Original Legion of Super-Heroes
2008 • 1 Reader
6 Final Crisis (Collected Editions)
2014 • 5 Readers • 3.7