United States v. Field ( 1921 )
Helvering v. Grinnell ( 1935 )
State Tax Commission v. Backman ( 1936 )
In Re Killien's Estate ( 1934 )
Estate of Loewenstein v. Kuchel ( 1951 )
Washburn v. United States ( 1945 )
Dinwiddle v. Metropolitan Life Insurance Company ( 1942 )