The maps of these days, superimposed, would have made a tangle, but every morning he emerged from the same place, just as the sun came up, and every evening he returned there, tired now, darkened, switching off the bike, rolling it over the wooden threshold of the door leading into the courtyard, the engine ticking as it cooled.

NEWYORKER: Nawabdin Electrician

The sample had been taken by the threshold of the front door.

NEWYORKER: Trial by Fire

When the door yielded and a man stood warily, holding it half open, David pushed forward across the threshold.

NEWYORKER: The Swan