Ms. Delaney has also written a full-length book, "Columbus and the Quest for Jerusalem", which I haven't read all the way through but which appears to be a more

Ms. Delaney has also written a full-length book, "Columbus and the Quest for Jerusalem", which I haven't read all the way through but which appears to be a more thorough treatment of the material covered in this article. (Disclaimer: personally acquainted with the author.)