Cohan v. Commissioner of Internal Revenue , 39 F.2d 540 ( 1930 )
Continental Oil Co. v. Jones , 177 F.2d 508 ( 1949 )
Copperhead Coal Company, Inc. v. Commissioner of Internal Revenue , 272 F.2d 45 ( 1959 )
Ramsey v. Commissioner of Internal Revenue , 66 F.2d 316 ( 1933 )
J. K. Hughes Oil Co. v. Bass , 62 F.2d 176 ( 1932 )
F. H. E. Oil Co. v. Commissioner of Internal Revenue , 147 F.2d 1002 ( 1945 )