. . "Copperthwait & Co.'s educational series" . "Copperthwait & Co.'s educational series." . . "Cowperthwait & Co." . . . . "2022-06-19" . . . "Cahiers d'écriture"@fr . . . . . "pau" . . . "Penmanship"@en . . "Philadelphia" . . "Écriture--Étude et enseignement"@fr . . "Copybooks"@en . . "copybooks (instructional materials)"@en . . . . . . . . . "Printed wrappers"@en . "en" . "No. 1-5. Drill books -- no. 6. Business forms -- no. 7. Exercise book."@en . . "1882" . "36784991" . . "Business-standard system of penmanship. Common school course."@en . "1882" . "36784991" . . . . . . .