Acknowledgements
I'd like to express my acknowledgements to individuals, organizations, sites, books and other sources of information, without them this site would be impossible for creation. As sometimes is impossible to find which is the primary source of a given material and if it is copyrighted, if you find such material in this site, please e-mail me to fix my error. All copyrights are property of the below mentioned subjects (listed in alphabetical order):
Bibliography:
- Alcosser, E. et al, How to build a working digital computer. Hayden Book, NY, 1967
- Aspray, W. Computing Before Computers. Ames, Iowa, 1990
- Babbage, Charles. Passages from the life of a philosopher. Longman, London, 1864
- Bauschinger and Peters. Logarithmic-Trigonometrical Tables. Leipzig, 1910
- Ceruzzi, Paul. A history of modern computing. MIT Press, 1998
- Cohen, I. Bernard. Howard Aiken: portrait of a computer pioneer. MIT Press, 1999
- Cortada, James. Before the computer. Princeton University Press, 1993
- Hénin, Silvio. Milan (Italy) (for the article for Luigi Torchi)
- Ifrah, Georges. Histoire universelle des chiffres. Seghers, 1981
- Lindgren, Michael. Glory and Failure: The Difference Engines of Johann Müller, Charles Babbage and Georg and Edvard Scheutz, MIT Press, 1990
- McCartney, Scott. ENIAC. Walker and Company, 1999
- Martin, Ernst. Die Rechenmaschinen, 1925
- Merzbach, Uta. Georg Scheutz and the First Printing Calculator. Smithsonian Institution Press, 1977
- Morrison, Philip and Emily, editors. Charles Babbage and his calculating engines. Dover Publications, New York, 1961
- Randell, Brian. (for the articles for Babbage, Ludgate and Torres)
- Raúl Rojas and Ulf Hashagen. The first computers: history and architectures, MIT Press, 2000
- Turck, Joseph. Origin of Modern Calculating Machines, Chicago, 1921
- Zuse, Konrad. Der Computer—Mein Lebenswerk, Verlag Moderne Industrie, Munich, 1970
- Seck, Friedrich. Wilhelm Schickard, 1592-1635, published in 1978, Mohr (Tubingen)