Tolong jelaskan mengenai Peringatan Filateli dari Rowland Hill

Untuk seratus tahun prangko pertama, Portugal mengeluarkan lembaran miniatur dengan 8 prangko yang menyebutkan namanya. Kemudian, pada peringatan seratus tahun kematiannya, sebuah prangko peringatan Hill diterbitkan oleh sekitar 80 negara. Secara keseluruhan, 147 negara telah mengeluarkan perangko untuk memperingatinya.

Mengenal Dunia Filateli, Hobby Rekreatif Yang Bermanfaat, edisi 1995, Diterbitkan oleh Perusahaan Umum Pos dan Giro (Kini PT. Pos Indonesia).

Matthew Davenport Hill and Rowland Hill, Plans for the Government and Liberal Instruction of Boys in Large Numbers Drawn from Experience (1822); new ed. with additions (1827).

Rowland Hill, Home Colonies: a Plan for the Gradual Extinction of Pauperism and the Diminution of Crime. London, Simpkin and Marshall (1832) 52 pages. (New York Public Library SGF p.v.16, no.11.)

Rowland Hill, Post Office Reform: its Importance and Practicability (1837)

Rowland Hill and Arthur Hill, A History of Penny Postage with intro. by George Birkbeck Hill, "The Life of Sir Rowland Hill and the Penny Postage". 2 vols. London, T. De La Rue & Co. (1880)

David Allam, The Social and Economic Importance of Postal Reform in 1840. Batley: Harry Hayes, 1976

R. H. Coase, Rowland Hill and the Penny Post. Economica, New Series, Vol. 6, No. 24 (Nov., 1939), pp. 423–435.

H. W. Hill, Rowland Hill and the Fight for the Penny Post. Frederick Warne, 1940

M.J. Daunton, Rowland Hill and the Penny Post, History Today, August, 1985.

Jean Farrugia, The Life and Work of Sir Rowland Hill, 1795-1879.

Smyth, Eleanor C, Sir Rowland Hill, the story of a great reform, told by his daughter, 1907