L. C. Greenwood, Member of 'Steel Curtain,' Dies at 67 - The New York Times
Hines Ward, Steve Smith among 2023 NFL Hall of Fame snubs - ESPN
L.C. Greenwood, Part Of Pittsburgh's 'Steel Curtain,' Dies
L. C. Greenwood, Member of 'Steel Curtain,' Dies at 67 - The New York Times
2013 in Sport: Stan Musial, Earl Weaver underscore a year of losses
Who is the best team in the NFL? The Packers or Titans? - Quora
L.C. Greenwood, Part Of Pittsburgh's 'Steel Curtain,' Dies : The Two-Way : NPR
The More You Know: Random, bold and bizarre facts about the Steelers - Behind the Steel Curtain