(1885). Twin system of penmanship.
Lua i Stíl Chicago (17ú heag.)Twin System of Penmanship. 1885.
Lua MLA (9ú heag.)Twin System of Penmanship. 1885.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)