Comic Title: Justice League of America #191
Publisher: DC (DC Comics Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: June 1981
On Sale Date: March 5, 1981 Newsstand Date March 5, 1981
Source: House Ad, Wonder Woman #280, Page 21

Newsstand Date March 5, 1981
Source: Comic Reader, #189

Newsstand Date March 5, 1981
Source: DC Coming Attractions, #52

Newsstand Date March 5, 1981
Source: Comics Journal, #63

Copyright Date March 5, 1981
Source: Library of Congress, Copyright Office 1981

Newsstand Date March 5, 1981
Source: Daily Planet, Vol. 81 #3
Listed as on sale the week of March 5th

Shipping Date February 10, 1981
Source: DC Coming Attractions, #52

Frequency: Monthly
Cover Price: $0.50
Page Count: 32
Editor: Len Wein

Title: "The Key Crisis of the One-Man Justice League"
Pages: 25

Feature(s):
Justice League of America (of Earth-1)

Writer: Gerry Conway
Penciller: Rich F. Buckler
Inker: Pablo Marcos
Letterer: Gaspar Saladino
Colorist: Carl Gafford

Feature Character(s)

• Justice League of America (last appearance in Justice League of America #190; next appearance in Justice League of America #192)
• Flash (last appearance in Flash #300; next appearance in Justice League of America #192)
• Atom (last appearance in Justice League of America #188; next appearance in Action Comics #521)
• Hawkman (last appearance in World's Finest Comics #268; next appearance in World's Finest Comics #269)
• Black Canary (last appearance in Justice League of America #190; next appearance in Justice League of America #194)
• Elongated Man (last appearance in Justice League of America #190; next appearance in Brave & the Bold #177)
• Zatanna (last appearance in Justice League of America #190; next appearance in Justice League of America #194)

Villain(s)

• Key (last appearance in Justice League of America #150; no further appearances)
• Amazo (last appearance in Action Comics #483; next appearance in Superman Special #3)

Guest Appearance(s)

• Sue Dibny (last appearance in Flash #296; next appearance in Justice League of America #194)