Main series*
- batman - harley quinn (Her first appearance)
- Harley Quinn Volume 1
(0-38, 2000-2004)- Gotham City Sirens
(0-26, 2009-2011)- Harley Quinn Vol 2
(New.52, Ongoing)- Suicide Squad comics
(Volume 4 and New Suicide Squad)Origin stories (mentions)
- Batman Adventures: Mad Love Vol 1 1
- Batman: Harley Quinn
- Detective Comics Vol 2 23.2: Harley Quinn
- Secret Origins Vol 3 4
- Suicide Squad Vol 4 6
- Suicide Squad Vol 4 7
Recommendation*
- Batman - arkham unhinged (#7-14, #17-19, 28, 30, 31, 36, 38)
- batman harley and ivy ( #1-3)
- birds of prey (#25-27, 104-108)
- catwoman v1 (#81-84,89 v2 #83)
- gotham girls (#1-5)
- harley and ivy - love on the lam
- Batman: Mad Love
- Batman #663 - Clown at midnight (Not really a comic but still great especially because they mention Harley’s past as a Psychiatrist and intelligence)
Where to download
- Masterpost with almost all comics mentioned above
(except for Volume 2 everything is in that masterpost)- thecomiclibrary (very recommended if you want to look up comic masterposts)
- Comicjournal
(really great for other comic masterposts)- Another Masterpost DL links
You can go to
to read volume 2 and maaaany other comics online
(*please note that other people have another opinion on when and where to start reading her comics. but i think this is a good list for the beginning. She has many more appearances but i will do another post for that.)