Last Stop, Last Drop: Metro-North Bar Cars Chug Into History - The New York Times
The Paris Metro (subway) System - Part 1
Happy birthday, Metro! Watch Metro's evolution since 1976 in this slideshow – Greater Greater Washington
The Montreal Metro: A Brief History - LRDG Campus
METRO RAIL: FACTS & HISTORY
OUR HISTORY, OUR ACHIEVEMENTS, OUR VISION - MICHELIN METRO
A short history of world metro systems – in pictures | Cities | The Guardian
The Moscow Metro
List of metro systems - Wikipedia
Paris by Metro: An Underground History: Delaney, Arnold: 8601418123743: Amazon.com: Books
Rider's Almanac Blog
The Infuriating History of How Metro Got So Bad - Washingtonian
Next stop: Art history on the Moscow metro – DW – 03/08/2016
Metro construction reveals the rich history of Thessaloniki
Paris Metro: 28 Facts and History - Snippets of Paris
Métro history | Société de transport de Montréal
Amazon.com: DC by Metro: A History & Guide: 9781467140140: Goldchain, Michelle: Books
Washington Metro - Wikipedia
Chicago Metro History Day
An underground history | Barcelona Metròpolis
Subway | History, Transportation, Cities, & Facts | Britannica
