The following is a list of the official languages of the United States of America, including the official languages of the United States of America, as of February 1, 1988:
by A. Saboor. Дата публикации: февраль 1988 года. https://archive.org/details/amrc_198802_bna_00184_030         https://archive.org/download/amrc_198802_bna_00184_030/amrc_198802_bna_00184_030.jpg