exhorts to love, [209];
their character, [44], [186], [189];
rapidity in composition, [45];
quantity, [45], [46], [105], [253]; style of, [46], [47], [150] (see Epistle to the Kings, Ikan, Kitab-ul-Akdas, Seven Valleys, Glad Tidings, Ishrak, Epistle to Shah);
Professor Browne on, [48];