7.1 Opener's Rebid After Advancer's 1NT

7.2 Opener's Doubles Advancer's Suit

7.3 Opener's Doubles After Responder's Rebid

7.4 Opener's Doubles After Responder's 1NT

7.5 Opener's Doubles After Responder's Negative Doubles

7.6 Overcaller Reopens with Double

7.7 Overcaller Doubles Again

7.8 Responder Doubles their Bid and Raise

7.9 Responder Doubles Twice

7.10 Responder Doubles After Freebid

8.1 1-Level Snapdragon

8.2 2-Level Snapdragon

8.3 2-Level Non-Snapdragon

8.4 Advancer's Cuebid

8.5 Another Advancer Cuebid

8.6 Rosenkrantz

8.7 Double of Splinter

8.8 Double of 3NT Out of Nowhere

8.9 Late Double of 3NT

8.10 Lightner Double