Bibliografía: al final de cada artículo Notas: al pie de texto From the Editor's desk / David Alan Grier. p.2 The life and work of Bernard A. Galler (1928 - 2006) / Atsushi Akera. p.4 Economic operspectives on the history of the computer time - sharing industry, 1965 - 1985 / Martin Campbell - Kelly and Daniel D. García - Swarts. p.16 Fermant meets SWAC: Vandiver, the lehmers, computers and nimber theory / Leo Corry. p.38 Vigenttes of Sweden's computers graphics history / Thomas Larsson and Ulf Stenlund. p.50 An early (1844) key - driven adding machine / Denis Roegel. p.59 The historiographic conceptualization of information a critical survey / Bernard Dionysius Geoghegan. p.66 Eventes and Sittings / Chiguasa Kita. p. Biographies / Thomas Haigh. p.87 Anecdotes / Anne Fitzpatrick. p.92 Think Piece / Nathan Ensmenger. p.96
