English: Carrier Graf Zeppelin, A503 FM30-50 booklet for identification of ships, published by the Division of Naval Inteligence of the Navy Department of the United States.
Deutsch: Flugzeugträger Graf Zeppelin, A503 FM30-50 Handbuch zur Schiffsidentifikation, herausgegeben vom Marine-Geheimdienst der US Navy.
Français : Porte-avions Graf Zeppelin, livret A503 FM30-50 pour l'identification des navires, édité par la Division du Renseignement Naval du Départment de la Marine de États-Unis.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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== Summary == {{fr|Porte-avions ''Graf Zeppelin'', livret A503 FM30-50 pour l'identification des navires, édité par la Division du Renseignement Naval du Départment de la Marine de États-Unis.}} {{en|Carrier ''Graf Zeppelin'', A503 FM30-50 booklet for