This thesis is a careful study of all the iconographic aspects of the processions of gods rerpresented in the book of the Day. Comparing the different sources, it has been possible to create clusters of divinities and to classify them according to their function within the diurnal solar journey. Of fundamental importance has been the study of the tomb of Ramose Tt 132. The careful analysis of the iconographical programme of this unpublished tomb has enabled the author to identify cluster of divinities in KV 9 and attempt a subdivision of the divinities depicted on the walls of the royal tombs. This thesis has also shown that in the study of the NK Books of the Netherworld the iconographical aspect is as important as the filological one
