Executive Order 2133—Relating to Indians on Public Domain
It is hereby ordered, under authority found in the act of June 21, 1906 (34 Stats. L., 325-326), that the trust or other period of restriction against alienation contained in any patent issued to any Indian for any lands on the public domain be, and the same is hereby, extended for a further period of one year in all cases where such trust or other restrictive period against alienation would otherwise expire during the calendar year anno Domini nineteen hundred and fifteen.
The White House,
February 3, 1915
Woodrow Wilson, Executive Order 2133—Relating to Indians on Public Domain Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/276619