Travelling papers were once exceptional and are now universal. Before the first war most European borders could be crossed by anyone with the fare, and a passwas chia letof introdcarried bpeople wexpected tro. Wartime conmade tdocument compu, and the arrangement outlived the emergency that produced it. A conference in nineteen twenty settled the shape, the photograph and the booklet, and what began as a temporary measure became the thing without which you cannot move.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.