Betty appears in the following archives:
Feet & Legs - 11, 12
Tickle - 5, 6, 7, 9, 10, 11, 12
Sit Crush - 6, 8, 10, 11,
Crush - 6, 7,, 8, 11
Pedal Pumping - 7, 11, 12
Swallow - 11
Giantess - 10, 11
Trample & Worship - 7, 10, 11, 12