Zone d'identification
Type d'entité
Collectivité
Forme autorisée du nom
Underwood & Underwood, publishers
forme(s) parallèle(s) du nom
Forme(s) du nom normalisée(s) selon d'autres conventions
Autre(s) forme(s) du nom
Numéro d'immatriculation des collectivités
Zone de description
Dates d’existence
1881 - 1920
Historique
In 1920 stereograph production was discontinued and Underwood & Underwood sold its stereographic stock and rights to the Keystone View Company. The Keystone republished images included a V prefix for Underwood source. An example would indicate K24056 as Keystone numbered and the same images V24056 as Underwood and Keystone dual copyrighted.