Here are two links to some old texts on F. H. Jacobi. The first text is one of the few studies on Jacobi in English and serves as an introduction to his thought: Jacobi Norman Wilde, Friedrich Heinrich Jacobi: A Study in the Origin of German Realism. I'm not familiar with the second; it looks to be a thesis: Alexander W. Crawford, The Philosophy of F. H. Jacobi. These are old texts, so here is also George di Giovanni's SEP article on Jacobi.
Why is there not more literature on Jacobi in English? The most recent works I know of that handle Jacobi in some detail are Paul Frank's All or Nothing (Harvard, 2005) and Giovanni's Freedom and Religion in Kant and His Immediate Successors (Cambridge, 2005).
Why is there not more literature on Jacobi in English? The most recent works I know of that handle Jacobi in some detail are Paul Frank's All or Nothing (Harvard, 2005) and Giovanni's Freedom and Religion in Kant and His Immediate Successors (Cambridge, 2005).