He stood up and passed out among them in the file.
Many of them now want to see what is in their files.
They could tell them the record is in their files.
We walked in single file, and no one could see anyone else's face.
Everyone stood up and left the room in single file.
So we have to keep close together in single file.
Now he's a real person instead of a name in a file.
Here they had to go in a single file, one at a time.
You look them up and see if they are in your file.
But, he said, many might not have known they were in the files at all.