Submit a leaf testament to create a biblio-record.
The origins under it go with it.
Press Space or Enter on a handle to pick an item up; a toolbar at the foot of the screen then moves it. While it is held, the up and down arrows move it among its neighbors, Tab or the right arrow puts it under the item above, Shift-Tab or the left arrow takes it out a level, and Enter, Space or Escape put it down.