Harley Quinn

Batman : Mad Love and Other Stories
Harley Quinn #1-25 (2000)
Batman : Harley and Ivy
Countdown to Final Crisis
Gotham City Sirens
Injustice : Gods Among Us
DC Comics Presents - Harley Quinn
Legends of the Dark Knight #49-50 (2013)
Batman Black & White #3 (2014)
Anything Written by Paul Dini