...a reflection of who he was, and how he came to be the Mirror Master!
Living a life of crime let him to confront the Flash, and here's where it all started!
The Master of Mirrors
Return Of The Mirror Master
This story was reprinted in Flash #187 (April-May, 1969), in the second Flash Archives of 2000 and Flash Chronicles of 2010, and the first Flash Omnibus of 2014 and Flash: The Silver Age of 2016.
Case Of The Stolen Super PowersJustice League of America story (even before the Justice League had their own title!).
This story was reprinted in Justice League of America #39 (November, 1965), as well as in the first Justice League of America Archive of 1992, Justice League of America Omnibus of 2014 and Justice League of America: The Silver Age of 2016 (and this wouldn't be the last the JLA saw of Mirror Master!).
The Mirror Master's Magic Bullet
...and in the third Flash Archives of 2002, the fourth Flash Chronicles of 2013, and in the first Flash Omnibus of 2014.
The Doom Of The Mirror Flash
This story was reprinted in the fourth Flash Archive of 2006 and in the first Flash Omnibus of 2014.
Who Doomed The Flash?
This tale was reprinted in DC Special #8 (July-August, 1970), in the fourth Flash Archive, DC Comics Presents: The Flash in 2011, and in the first Flash Omnibus of 2014.
The Mirror Master's Invincible Bodyguards
This story was reprinted in Flash #196 (April-May, 1970) and in the fifth Flash Archive.
The Mirror Master's Master Stroke
This story was reprinted in the sixth and final Flash Archive of 2012.
The House Of "Flashy" TrapsElongated Man helped the Flash while visiting Central City, wherein Elongated Man was to help Flash with Mirror Master, and works his way through a mystery Mirror Master set up, catching a henchman of Mirror Masters....and finding Flash at police headquarters, with Mirror Master captured (with Flash having left his friend behind to solve the mystery, which Ralph Dibny loves to do!).
This story has only been reprinted in black and white, in the Showcase Presents the Elongated Man tradepaperback of 2006.