Findings:

• Tokyo Underground
• Tokyo Air Raid
• Tokyo City Air Terminal
• Days of the Underground
• Notes From The Underground: Underground II
• Tokyo Sushi
• Tokyo War Crimes Tribunal
• Steady Sounds from the Underground
• Raskolnikov and the Underground Man
• Notes From The Underground: Underground VIII
• Kiku of Tokyo
• Tokyo Nights
• Underground chocolate machine hack
• Building an underground house
• Underground Rap
• Tokyo Anal Dynamite
• Tokyo Institute of Technology
• Weather Underground
• trees prospecting underground
• Notes From The Underground: Underground IV
• Tokyo
• How can one ever go home? Bangkok, Tokyo, Chicago, then Cleveland
• Tokyo is not the capital of Japan
• Making the Movies XV Underground With a Movie Camera
• Notes From The Underground: Epilogue
• Old bridges and expressways in Tokyo
• Over Tokyo
• Jack Bauer in an episode of Tokyo Drift
• underground music
• Need For Speed Underground
• Great Tokyo Earthquake
• Tokyo Nichi Nichi Shimbun
• Glenn Underground
• Notes From The Underground: Underground III
• The Underground House
• Tokyo Shock Boys
• Tokyo International Airport
• Tokyo National Museum
• underground comix
• Underground Resistance
• Need for Speed Underground II
• Tokyo Babylon
• Woman From Tokyo
• If Tokyo Burns Again
• Why underground music is "better" than commercial music
• The Lure of the Underground
• Tokyo Mirror Boys
• Glasgow Underground
• Quilts and the underground railroad
• Notes From The Underground: Underground V
• Soundbites: Notes from the Underground
• Tokyo Station
• Tokyo Stock Exchange
• The History of the London Underground
• Old World Underground, Where Are You Now?
• Tokyo on Monday and Thursday mornings
• Tokyo Girl
• King of Tokyo
• underground haggis connection
• Otaniemi Underground Broadcasting System
• Tokyo's Worst Stuff
• underground railroad
• Poems on the Underground
• Notes From The Underground: Underground VI
• crystal tokyo
• Tokyo Joe
• Tokyo Godfathers
• The Velvet Underground and Nico
• London Underground Café
• Underground insurance
• Osakans through the eyes of a Tokyo native
• New Tokyo Is Calling
• IRON NODER: TOKYO DRIFT
• Seattle Underground
• National Underground Railroad Freedom Center
• Underground improvements (e2poll)
• tokyo bastard (user)
• Tokyo Bay
• underground (user)
• Notes From The Underground Contents
• The strange transactions of the Incan underground
• Tokyo Shogun
• Tokyo Dome
• Tokyo prefecture
• Global Underground
• The mathematical Satanic underground
• Soudan Underground Mine
• Tokyo Stadium
• Tokyo Love Story
• The Velvet Underground
• 6 Underground
• Underground talk radio
• Atlas Underground
• Tokyo Breakfast
• Mitsubishi Tokyo Financial Group
• Notes from the Underground
• To America with Love: Letters From The Underground
• Notes From The Underground: A Propos Preface
• Transglobal Underground
• Tokyo's Best Stuff
• Tokyo Wars
• confide to me your first weird feeling of Tokyo
• paisley underground
• The Sticker Underground
• Crushed Underground
• Tokyo Topless
• The Japanese Surrender at Tokyo Bay
• Underground
• Going Underground
• Notes from the Underground: Part I
• You Can Hear the Sound of the Underground Trains
• Tokyo Metropolitan Government
• Live in Tokyo
• You wake up slowly when you're a mile underground
• Notes From The Underground: Underground XI
• Neo Tokyo
• Tokyo Imperial University
• Tokyo Philharmonic Symphony Orchestra
• An Underground Education
• Extensive tunnels and underground bunkers
• underground press
• Bubblegum Crisis: Tokyo 2040
• Tokyo Disney Resort
• London Underground
• London Underground Station Computer
• Notes from the Underground: Preface
• The Underground
• The Tokyo Showdown
• Tokyo Big Sight
• Digital Underground
• Jack to the Sound of the Underground
• Notes From The Underground: Underground X
• Tokyo Pop
• TV Tokyo
• The Fast and the Furious: Tokyo Drift
• The Princess who was Hidden Underground
• The Underground Comedy Movie
• A Poem on the Underground Wall
• Tenchi in Tokyo
• Tokyo Monorail
• Chemikal Underground
• Notes from the Underground: Underground Preface
• Coco Loco Underground
• Tokyo Rose
• Firebombing of Tokyo
• The myth of skateboarding as an underground industry
• Notes From The Underground: Underground VII
• New Tokyo International Airport
• Tokyo Subway
• Tokyo Police Club
• Computer underground Digest
• Little Steven's Underground Garage
• Underground Jazz
• University of Tokyo
• Tokyo Mew Mew
• underground BBS scenes
• New Media Underground Festival
• Notes from the Underground: Underground I
• Allied ships present in Tokyo Bay for Japan's Surrender
• Tokyo Bay Aqualine
• underground newspaper
• Reverse underground railroad
• Notes From The Underground: Underground IX
• 1964 Summer Olympics
• Tokyo Broadcasting System
• 30 Seconds Over Tokyo
• Asian Underground
• Tony Hawk's Underground
• Fashions of the Victorian Underground

If you Log in you could create a "Underground Tokyo" node. If you don't already have an account, you can register here.