More ComicBookDB:

#1 - 'Oy to the World'

OGN SC - 'World's Finest'

#7
#18 - 'Guter alter Weihnachtsmann'
#18 (Mike Mignola Variant-Cover) - 'Guter alter Weihnachtsmann'
#20 - 'Ehebruch'
#28

TPB vol. 02 - 'Shadows and Masks'
#5

TPB vol. 01 - 'Batman: Gotham Adventures'
#1 - 'With a Price On His Head!'
#2 - 'Lucky Day!'
#5 - 'Polar Opposites'
#11 - 'The Oldest One in the Book'
#14 - 'Masks of Love: A Harley Quinn Romance'
#16 - 'Captive Audience'
#25 - '...Recognized, in Flashes, and with Glory...'
#29 - 'Six Hours to Kill'
#51 - 'Early Thaw'
#55 - 'Rescue Me'
#58 - 'Crazy Talk'

HC vol. 01 - 'Mad Love and Other Stories'
TPB vol. 01 - 'Mad Love and Other Stories'

OGN SC - 'Mask of the Phantasm'

#3 - 'Harlequinade'

#25 - '(Almost) The World's Finest Team'

Holiday Special - 'The Batman Adventures Holiday Special'
TPB vol. 01 - 'The Batman Adventures'
TPB vol. 02 - 'Batman: The Dark Knight Adventures'
#3 - 'Joker's Late-Night Lunacy!'
#6 - 'The Third Door'
#11 - 'The Beast Within!'
#22 - 'Good Face Bad Face'
#33 - 'Just Another Night'

TPB - 'The Batman Adventures: Dangerous Dames & Demons'

#1 (1st Printing) - 'Mad Love'

#3 - 'Christmas Riddle'
#4 - 'Bird Cage'
#5 - 'Second Banana'
#6 - 'Round Robin'
#13 - 'Knightmare'
#16 - 'It Takes a Cat'
#19 - 'Duty of the Huntress'
#20 - 'Through the Long Night'
#21 - 'Why is a Raven Like a Writing Desk?'