Tax Court April 1958 casesPeter J. Schweitzer, Inc. v. Comm'r of Internal RevenueEstate of Warburton v. Comm'r of Internal RevenueHahn v. CommissionerMcCurnin v. Comm'r of Internal RevenueTrianon Hotel Co. v. Commr. of Internal RevenueThompson-Hayward Chem. Co. v. Comm'r of Internal RevenueKey Homes, Inc. v. Comm'r of Internal Revenue