From your textbook:

• MLB's Lobbying Efforts, Part 1 (MSExcel):  Covers 2002 and 2003.  Compiled from the Sports Business Journal.
• MLB's Lobbying Efforts, Part 2 (MSWord):  Documentation of Capitol Hill spending up to 2005 by Kenneth Bazinet at the Daily News.
• Pro Sports Lobbying, 2009: From Erik Brady at USAToday.com.
• NHL Lobbying Expenditure, 1998-2010: From OpenSecrets.org, a group monitoring all lobbying in the U.S. (You can type other sports, too; I found MLB without much trouble).
• NFL Lobbying, 2011: From Amy Shipley at The Washington Post.
• Recent Stadium/Arena Referenda and Initiatives (MSExcel):  Thanks to the National Sports Law Institute at Marquette University.
• First Down and $782 Million To Go (PDF): The original 1997 Voter Pamphlet.
• History of the Kingdome (PPT slideshow) A slide show presented by your author to the Washington State Historical Society.

The Stadium Mess Links, Current Topics:

• Yankees Bill Lobbying Costs to the Public?:  A nicely contorted subsidy scheme.  From Neil DeMause.
• Is Investing in Sports a Good Bet? Panel Discussion Video:  Your textbook author and notables from the Seattle area discussing (mostly) subsidizing the SuperSonics at the CityClub of Seattle..
• Baseball hurls $ at Steroid Panel (MSWord):  MLB's newest lobbying effor from the Boston Herald.
• Should Congress Stop the Bidding War for Sports Franchises? (PDF file):  Congressional testimony by sports economist Robert Baade and sports lawyers Gary Roberts and Stephen Ross.
• Point (your textbook author)- Counterpoint (executive director for the Virginia Baseball Stadium Authority):  On stadium values in the Freelance-Star.
• Sports Pork (PDF):  By the title, it's no mystery what this author from the CATO Foundation thinks of sports subsidy activities in the U.S.
• MLB Ballpark Funding, 1992-2006 (MSExcel):  from the Sports Business Journal.
• NFL Referenda, 1996-2000 (MSExcel):  from the Sports Business Journal.
• Arlington, Kansas, and Minnesota Stadium Referenda (MSWord):  The most recent set of elections.
• 8th Wonder Remains a Tax Albatross: They'll be paying for another generation on the Astrodome debt, after 22 years of payments and now nearly no tennants. Chris Moran at the Houston Chronicle.
• Same Goes for Razed Giants Stadium: Ken Belson at the NYT documents a few others (including the Kingdome, as detailed in your book).

I'm working on a comprehensive table of stadiums and arenas, coming soon to the Sports Business Data Pages!