Between 1868 and 1870 Alexander worked with his father and studied speech and taught deaf children in Edinburgh.
Between 1868 and 1870 Alexander worked with his father and studied speech and taught deaf children in Edinburgh.
user
З 1868 по 1870 рік Олександр працював разом зі своїм батьком і вивчав мову, а також навчав глухих дітей в Единбурзі.
assistant