W. Braun Co., Inc. v. Commissioner of Internal Revenue ( 1968 )
Ballentine Motor Co., Inc., Ballentine's, and Ballentine Motors, Inc. v. Commissioner of Internal Revenue ( 1963 )
National Investors Corporation v. Hoey ( 1944 )
Gregory v. Helvering ( 1935 )
Commissioner v. Duberstein ( 1960 )