In the fourth and final volume of this study of the Writings of Bah?'u'll?h there is an overview of what he revealed during the last stage of his almost forty years of exile. Out of prison, but confined in the mansion of Bahj?, he wrote his last tablets, among which the Epistle to the Son of the Wolf stands out. Taherzadeh explains numerous allusions to people and events that Bah?'u'll?h alludes to in that long letter.
En el cuarto y ?ltimo volumen de este estudio de los Escritos de Bah?'u'll?h se despliega una panor?mica de que revel? durante la ?ltima etapa de sus casi cuarenta a?os de exilio. Fuera ya de la prisi?n, pero confinado en la mansi?n de Bahj?, escribi? sus ?ltimas tablas, entre las que destaca la Ep?stola al Hijo del Lobo. Taherzadeh explica numerosas alusiones a personas y hechos a los que Bah?'u'll?h alude en esa larga carta.