Harry Truman actually said...
As provided by section 10 of the Railway Labor Act, as amended, from this date and for thirty days after the board has made its report to the President, no change, except by agreement shall be made by the Southern Pacific Company (Pacific Lines) or its employees in the conditions out of which the said dispute arose.
Context
Executive Order 10071—Creating an Emergency Board to Investigate a Dispute Between the Southern Pacific Company (Pacific...)
07/19/1949