As regards others than commercial travellers however this is a mere form, and is not made a source of needless annoyance, as is too often the case in other countries.
"Due North or Glimpses of Scandinavia and Russia"
Maturin M. Ballou
Back of all its commercial value, lay a human weakness.
"The Locusts' Years"
Mary Helen Fee
From the earliest days, Mr. Peary's effort to reach the Pole was undertaken primarily for purposes of personal commercial gain.
"My Attainment of the Pole"
Frederick A. Cook