You can take a look at his technical reports from 2001 onwards, lot of very interesting material, lot of back forth between Freund, Schapire and Brieman in thos

You can take a look at his technical reports from 2001 onwards, lot of very interesting material, lot of back forth between Freund, Schapire and Brieman in those. The reports continue to be hosted on Brieman's home page.