They got their assurances in the form of a clause in the individual purchase contracts, to the effect that the "consumer" agreed not to employ a Soth for the purpose of evading labor costs in the arts, trades and professions as organized under the various unions, and at all times to be prepared to withdraw said Soth from any unlisted job in which the unions might choose to place a member human worker.
"Backlash"
Winston Marks
It was an unlisted, visionless phone, and the number was known only to a very few important officials in the United States Government, so the senator didn't bother to identify himself; he simply said: "Hello."
"Fifty Per Cent Prophet"
Gordon Randall Garrett
So loyal were these various agencies that not a single sale, either of listed or unlisted securities, occurred in any auction room of the country until the urgent phases of the crisis had passed.
"The New York Stock Exchange in the Crisis of 1914"
Henry George Stebbins Noble