• flash comics (1940-1949) - jay garrick
  • #1-104
• showcase #4 (1956) - barry allen's first appearance
• flash v1 (1959-1985) - barry allen
  • #105-350
• crisis on infinite earths (1985-1986)
  • #1-12
• flash v2 (1987-2006) - wally west
  • #0-230
• flash: the fastest man alive (2006-2007) - bart allen
  • #1-13
• flash v2 (2007-2009) - wally west
  • #231-247
• the flash: rebirth (2009-2010) - return of barry allen
  • #1-6
• blackest night (2009-2010)
  • #0-8
• brightest day (2010-2011)
  • #0-25
• the flash: secret files and origins (2010)
  • oneshot
• flash v3 (2010-2011) - barry allen
  • #1-12
• flashpoint (2011)
  • #1-5
• flash v4 - new 52 (2011-present)
  • #1-ongoing

(no specific order)

• jla: year one (1998)
  • #1-12
• flash 80-page giant (1998-1999)
• flash & green lantern: the brave and the bold (1999-2000)
  • #1-6
• secret origins
• flash secret files & origins (1997-2001)
  • the stories in these are scattered throughout flash continuity, though with an emphasis on v2