If I asked you for a list of commentaries on the Westminster Shorter Catechism, chances are th two volume set by Ashbel Green wouldn't be on it. But you can find it here, written for the youth of his day. He also published a history of Presbyterian mission work during the 19th century, and a variety of sermons and addresses. These can be found on the Log College Press website, so spend some time browsing what we've collected.