Monograph Michel Nordamerika 2015, 2014. Permanent URL https://www.proveana.de/en/link/lit10002145 last updated 30.07.2020 Show sources Hide sources Basic information Basic information Bibliographical reference Michel Nordamerika 2015, Unterschleißheim 2014. References References Research projects Project reference The collection of Jewish stamp dealer Julius Goldner—provenance research at the Museum for Communication Berlin and in the Philatelic Archive in Bonn