None allowed.
He held all the offices but one person had his ear was Martin Bormann. All the correspondence to Hitler passed through his office.He entrusted Bormann with his paperwork, appointments, and personal finances; Bormann used his position to control the flow of information and access to Hitler. Amongst Historians, be began to outline a Europe after the war was over. Writing while working his evil deeds for his boss.
Manvell, Roger; Fraenkel, Heinrich (2007) [1965]. Heinrich Himmler: The Sinister Life of the Head of the SS and Gestapo. London; New York: Greenhill; Skyhorse. ISBN 978-1-60239-178-9.(323)