Zone d'identification
Type d'entité
Forme autorisée du nom
Various
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
Historique
Most of the letters in the collection were collected by Charlotte Erickson and the staff of the Survey of Sources for American Studies during their work in the 1950s, whilst others were donated or purchased.