Natasha appears in the following archives:
Feet & Legs -
Tickle - 10
Sit Crush - 8, 9, 11,
Crush - 9, 10, 12
Pedal Pumping - 9, 10, 11
Swallow - 12
Giantess - 12
Trample & Worship - 9, 10, 11, 12