undisclosed

Incidentally, the Chamber of Commerce gave $2 million in undisclosed $$$ to DISCLOSE opponents.

HUFFPOST HILL - JULY 27TH, 2010 The Huffington Post News Team 2010

There's $75 million from the chamber, plus another $50 million or more in undisclosed donations to major conservative organizations -- as reported by the nonpartisan Sunlight Foundation -- that include the American Action Network, Karl Rove's Crossroads GPS, the American Future Fund and the 60 Plus Association.

Michael Winship: All They Ask for Is an Unfair Advantage Michael Winship 2010

Bob McDonnell said Tuesday that he supports full disclosure for campaign donors, a position that seemingly puts him at odds with some close allies currently running groups raising millions in undisclosed donations at the national level.

McDonnell backs full disclosure for campaign contributors Rosalind Helderman 2010

"Liberal groups spent more than $400 million in undisclosed campaign money in 2008 alone, with nary a peep from liberal lobbyist Fred Wertheimer or any of his groups," Collegio said.

Campaign watchdogs accuse top conservative group of violating tax laws Dan Eggen 2010

According to data from the nonpartisan Sunlight Foundation, conservative groups that have spent significant sums have plowed nearly $75 million in undisclosed donations alone into this election.

Conservative groups have spent up to $75 million in undisclosed funds, dwarfing left Greg Sargent 2010

But it was also small change compared to the $250 million or so in undisclosed funds expected to play a big role in the off-year 2010 elections.

Barry Sussman: A Watergate Lesson: Secret Money Means Payoffs, Bribes and Extortion Barry Sussman 2010

But it was also small change compared to the $250 million or so in undisclosed funds expected to play a big role in the off-year 2010 elections.

Barry Sussman: A Watergate Lesson: Secret Money Means Payoffs, Bribes and Extortion Barry Sussman 2010

But it was also small change compared to the $250 million or so in undisclosed funds expected to play a big role in the off-year 2010 elections.

Barry Sussman: A Watergate Lesson: Secret Money Means Payoffs, Bribes and Extortion Barry Sussman 2010

But it was also small change compared to the $250 million or so in undisclosed funds expected to play a big role in the off-year 2010 elections.

Barry Sussman: A Watergate Lesson: Secret Money Means Payoffs, Bribes and Extortion Barry Sussman 2010

So I thought it would be interesting to do a straight-up informal comparison: How much in undisclosed donations is being spent by the right on independent expenditures and election communications, versus how much is coming from the left.

Conservative groups have spent up to $75 million in undisclosed funds, dwarfing left Greg Sargent 2010