There has never been a better time to have an interest in historical theology. The primary sources that are available to anyone with a computer are simply mind-blowing. Recently, Todd Rester at Historical TheoBlogy drew my attention to this Swiss digitization project. You can click here to see what they have from Calvin. Or here for works of Beza, including his 1559 Confession — one of the sources for the writing of the Belgic Confession.