Perhaps the place to start is the excellent collection of resources at The Broken Circle, a web site designed to help Christians get through divorce. The theology is rock-solid conservative. There’s a good page on What the Bible Says About Divorce. Here’s a site called divorcedchristians.com that has some good resources.
There’s a comprehensive exegesis of scriptural doctrine on Divorce and Remarriage from Landmark Independent Baptist Church in Archer, Florida. And here’s another page on Divorce and Remarriage from The Bible Research Library, as well as one from the same source saying that Divorce is No Answer. Here’s a paper on Marriage, Divorce and Re-marriagethat’s really more a collection of scriptural references than an exegesis. Here’s another paper on Bibical Divorce Re-Marriage.