Batman Adventures: Mad Love #1 (1994)

Batman: Harley Quinn #1 (1999)

Harley Quinn #1 (2000)
Harley Quinn #2
Harley Quinn #3
Harley Quinn #4
Harley Quinn #5
Harley Quinn #6
Harley Quinn #7
Harley Quinn #8
Harley Quinn #9
Harley Quinn #10
Harley Quinn #11
Harley Quinn #12
Harley Quinn #13
Harley Quinn #14
Harley Quinn #15
Harley Quinn #16
Harley Quinn #17
Harley Quinn #18
Harley Quinn #19
Harley Quinn #20
Harley Quinn #21
Harley Quinn #22
Harley Quinn #23
Harley Quinn #24
Harley Quinn #25

Gotham City Sirens #1 (2009)
Gotham City Sirens #2
Gotham City Sirens #3
Gotham City Sirens #4
Gotham City Sirens #5
Gotham City Sirens #6
Gotham City Sirens #7
Gotham City Sirens #8
Gotham City Sirens #9
Gotham City Sirens #10
Gotham City Sirens #11
Gotham City Sirens #12
Gotham City Sirens #13
Gotham City Sirens #14
Gotham City Sirens #15
Gotham City Sirens #16
Gotham City Sirens #17
Gotham City Sirens #18
Gotham City Sirens #19
Gotham City Sirens #20
Gotham City Sirens #21
Gotham City Sirens #22
Gotham City Sirens #23
Gotham City Sirens #24
Gotham City Sirens #25
Gotham City Sirens #26

Suicide Squad Vol. 4 #1 (2011)
Suicide Squad Vol. 4 #2
Suicide Squad Vol. 4 #3
Suicide Squad Vol. 4 #4
Suicide Squad Vol. 4 #5
Suicide Squad Vol. 4 #6
Suicide Squad Vol. 4 #7
Suicide Squad Vol. 4 #8

Resurrection Man Vol. 2 #8

Suicide Squad Vol. 4 #9

Resurrection Man Vol. 2 #9

Suicide Squad Vol. 4 #10
Suicide Squad Vol. 4 #11
Suicide Squad Vol. 4 #12
Suicide Squad Vol. 4 #13

Read Death of the Family here.

Suicide Squad Vol. 4 #16
Suicide Squad Vol. 4 #17
Suicide Squad Vol. 4 #18
Suicide Squad Vol. 4 #19
Suicide Squad Vol. 4 #20
Suicide Squad Vol. 4 #21
Suicide Squad Vol. 4 #22
Suicide Squad Vol. 4 #23

Read Forever Evil here.

Harley Quinn Vol. 2 #0 (2014) – This series doesn’t really fit in continuity and frequently breaks the fourth wall.
Harley Quinn Vol. 2 #1
Harley Quinn Vol. 2 #2
Harley Quinn Vol. 2 #3
Harley Quinn Vol. 2 #4
Harley Quinn Vol. 2 #5
Harley Quinn Vol. 2 #6
Harley Quinn Vol. 2 #7

Harley Quinn Vol. 2 Annual #1 (2014)

Harley Quinn Holiday Special #1 (2015)

Harley Quinn Vol. 2 #8
Harley Quinn Vol. 2 #9
Harley Quinn Vol. 2 #10
Harley Quinn Vol. 2 #11
Harley Quinn Vol. 2 #12
Harley Quinn Vol. 2 #13

Harley Quinn and Power Girl #1 (2015)
Harley Quinn and Power Girl #2
Harley Quinn and Power Girl #3
Harley Quinn and Power Girl #4
Harley Quinn and Power Girl #5
Harley Quinn and Power Girl #6

New Suicide Squad #1 (2014)
New Suicide Squad #2
New Suicide Squad #3
New Suicide Squad #4

Harley Quinn Valentine’s Day Special #1 (2015)

Harley Quinn Vol. 2 #14
Harley Quinn Vol. 2 #15
Harley Quinn Vol. 2 #16

New Suicide Squad #5
New Suicide Squad #6
New Suicide Squad #7
New Suicide Squad #8

Harley Quinn Vol. 2 #17
Harley Quinn Vol. 2 #18
Harley Quinn Vol. 2 #19

Harley Quinn Road Trip Special #1 (2015)

Harley Quinn Vol. 2 #20
Harley Quinn Vol. 2 #21
Harley Quinn Vol. 2 #22
Harley Quinn Vol. 2 #23
Harley Quinn Vol. 2 #24
Harley Quinn Vol. 2 #25
Harley Quinn Vol. 2 #26
Harley Quinn Vol. 2 #27
Harley Quinn Vol. 2 #28

New Suicide Squad #9
New Suicide Squad #10
New Suicide Squad #11
New Suicide Squad #12

New Suicide Squad Annual #1 (2015)

New Suicide Squad #13
New Suicide Squad #14
New Suicide Squad #15
New Suicide Squad #16

New Suicide Squad #17
New Suicide Squad #18
New Suicide Squad #19
New Suicide Squad #20
New Suicide Squad #21
New Suicide Squad #22

Harley Quinn Vol. 2 #29
Harley Quinn Vol. 2 #30

Harley Quinn and Her Gang of Harleys #1 (2016)
Harley Quinn and Her Gang of Harleys #2
Harley Quinn and Her Gang of Harleys #3
Harley Quinn and Her Gang of Harleys #4
Harley Quinn and Her Gang of Harleys #5
Harley Quinn and Her Gang of Harleys #6

Injustice: Gods Among Us #1 (2013)
Injustice: Gods Among Us #2
Injustice: Gods Among Us #3
Injustice: Gods Among Us #4
Injustice: Gods Among Us #5
Injustice: Gods Among Us #6
Injustice: Gods Among Us #7
Injustice: Gods Among Us #8
Injustice: Gods Among Us #9
Injustice: Gods Among Us #10
Injustice: Gods Among Us #11
Injustice: Gods Among Us #12