Origin of no-trump
Examples from the Web for no-trump
Historical Examples of no-trump
In bidding No-trump with three guarded suits, it does not matter which is unprotected.
It is just too weak for a No-trump, but at first glance seems too strong for a Spade.
My hand does not warrant a No-trump, because I have only two suits stopped.
A double of a No-trump is much safer than of a suit declaration.
If you are the leader at "no-trump," open your longest suit.Bridge; its Principles and Rules of Play