Desire World, archangels native to, [79];
dead remain in, varying lengths of time, [78];
difficulty of concentration in, [91];
diversity of tongues in, [83];
effect of colors in, [178];
ego's corrective work in, [168-170];
estimation of time in, [93];
existence of, makes man's desires possible, [57];
force and matter closely related in, [77];