The old rabbinic doctrine of God

Possession stamp: Vogelstein (possibly Max Vogelstein: *1901 in Königsberg, father: Rabbi Hermann Vogelstein, closely associated with Paul Rieger, died 1984 in New York, rabbi, family emigrated to the USA in 1938. The Gestapo confiscated parts of his library in Koblenz and presumably had them auctioned off).