Grassroots Fundraising Journal offers the following articles (they can be purchased for $3 each):

Planning a Capital Campaign — Part 1 of 2. May/Jun 2001
The Phases of a Capital Campaign — Part 2 in a 2 article series. Jul/Aug 2001
Testing the Feasibility of Your Capital Campaign. Sep/Oct 2001
The Public Phase of Your Capital Campaign. Nov/Dec 2001