Public domain
Baltimore, MD. For every Social Security Account Number issued an "emploee master card" is made in the Social Security Board Records Office. Identifying data, given on the application blank , Form SC-5[?], is transferred to this master card in the form of up-ended quadrangular holes, punched by key
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineBaltimore, MD. For every Social Security Account Number issued an "emploee master card" is made in the Social Security Board Records Office. Identifying data, given on the application blank , Form SC-. 1937-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.