A lot of old books about the King James Bible, including Scrivener, Burgon, Redpath, Muir, McClure, Brown, Pollard, Dore, etc. can be found, freely downloadable as PDF files from
http://www.archive.org and some also at
http://books.google.com/bkshp?hl=en&tab=wp and some plain text ones at
http://www.gutenberg.org/wiki/Main_Page