. . . . . . . "John Harris's books for youth, 1801-1843 : being a check-list of books for children and young people published for their amusement and instruction by John Harris and his son, successors to Elizabeth Newbery, including a list of games and teaching toys ; with the supplement published in 1983"@en . . "John Harris's books for youth, 1801-1843 being a check-list of books for children and young people published for their amusement and instruction by John Harris and his son, successors to Elizabeth Newbery, including a list of games and teaching toys ; with the supplement published in 1983"@en . . . . . . . . "John Harris's books for youth, 1801-1843 : being a check-list of books for children and young people published for their amusement and instruction by John Harris and his son, successors to Elizabeth Newbery, including a list of games and teaching toys"@en . . "Bibliography"@en . . "John Harris's books for youth, 1801 - 1843 : being a checklist of books for children and young people published for their amusement and instruction by John Harris and his son, successors to Elizabeth Newbery ; including a list of games and teaching toys" .