Borrowing from our Encyclopedia entries here and here, I pulled together:
Talia al Ghul:
DETECTIVE COMICS #411
BATMAN #232
Batman: Legacy,ā 1996
Batman: Son of the Demon,ā 2006
Lady Shiva:
THE QUESTION #1-36, 1986-1990
ROBIN ; KNIGHTSEND ; NO MANāS LAND ; 1991-2000
I really love the early artwork of Lady Shiva, hope you dig it, too