These questions set the keynote for the three main divisions of the study. (religion-online.org)
The first main division in the expansion likely occurred on the Iranian coast of the Persian Gulf, with some groups continuing to move east while others remained in southern Iran between the Zagros Mountains and the sea. (abroadintheyard.com)
Varieties of Religious Experience: 2 main divisions Wm James suggested — The Sick Souled and The Healthy Minded. (nakedpastor.com)