Note 141 — Chapter II · The Power of Congress to Establish Postoffices
Reading edition
As to when one, who does not personally mail non-mailable matter, may be regarded as causing it to be deposited in the mails, see Demolli v. U. S., 144 Fed. Rep. 363 (1906); 6 L. R. A. n. s. 424, and note. Importation into the United States of obscene matter or articles of an immoral nature was forbidden by the act of March 2, 1857, 11 Stat. L. 168.