Columbia Research Corporation and Allerton Pharmacal Corporation v. Robert H. Schaffer, Postmaster of the City of New York , 256 F.2d 677 ( 1958 )
roy-a-oakley-v-arthur-e-summerfield-postmaster-general-of-the-united , 231 F.2d 775 ( 1956 )
Klaw v. Schaffer , 151 F. Supp. 534 ( 1957 )