Sister cities of Houston
Houston has 17 sister cities designated by Sister Cities International—a nonprofit citizen diplomacy network creating and strengthening partnerships between U.S. and international communities in an effort to increase global cooperation at the municipal level, to promote cultural understanding, and to stimulate economic development.
- "Sister cities". City of Houston eGovernment Center. Retrieved 2007-06-14.
- "About the Formation Of HGA". Houston Grampian Association. 2007. Retrieved 2008-01-25.
- "Karachi and Houston declared sister cities". Pakistan Daily, daily.pk. Archived from the original on 2008-06-12. Retrieved 2008-06-10.
- "Karachi News, Pakistan Observer Newspaper online edition". Pakistan Observer. Retrieved 2008-06-17.[dead link]
- "Many US investors soon to visit Karachi". topix.com. Retrieved 2008-06-17.