Some good reading and fine analysis here, Gibb. I am enjoying this very much. I appreciate the way you are tracing out the historical lineage of these works and untangling the possible borrowings and sources. This transition period seem to sum up the fragmented past and to lay the foundations for future "interpretations". I like the care with which you go about this work and also your willingness to put forth your own theories and conclusions. Keep up the good works.