Reference work/teaching material Lexikon der Philatelie, 1971. Permanent URL https://www.proveana.de/en/link/lit10001171 last updated 30.07.2020 Show sources Hide sources Basic information Basic information Bibliographical reference Wolfram Grallert, Waldemar Gruschke: Lexikon der Philatelie, Bonn 1971. Language of publication deutsch 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