Sign language from What I saw in New York; or, a Bird's-eye view of City Life (1851) published by Joel Ross. Original from… https://www.rawpixel.com/image/573036/english-letters-sign-languageFree Image from public domain licenseSign language for letter A from What I saw in New York; or, a Bird's-eye view of City Life (1851) published by Joel Ross.… https://www.rawpixel.com/image/573021/letter-sign-languageFree Image from public domain licenseSign language for letter E from What I saw in New York; or, a Bird's-eye view of City Life (1851) published by Joel Ross.… https://www.rawpixel.com/image/573023/letter-sign-languageFree Image from public domain licenseSign language for letter C from What I saw in New York; or, a Bird's-eye view of City Life (1851) published by Joel Ross.… https://www.rawpixel.com/image/572916/letter-sign-languageFree Image from public domain licenseSign language for letter B from What I saw in New York; or, a Bird's-eye view of City Life (1851) published by Joel Ross.… https://www.rawpixel.com/image/572915/letter-sign-languageFree Image from public domain licenseSign language for letter F from What I saw in New York; or, a Bird's-eye view of City Life (1851) published by Joel Ross.… https://www.rawpixel.com/image/572961/letter-sign-languageFree Image from public domain licenseSign language for letter D from What I saw in New York; or, a Bird's-eye view of City Life (1851) published by Joel Ross.… https://www.rawpixel.com/image/572854/letter-sign-languageFree Image from public domain license