Here you can find some useful links to internet sites with similar topics:
	http://www.ifhb.de Homepage by I.F.H.B. - Internationales Forum Historische Bürowelt http://www.curta.de Curta -Site by Jan Meyer http://www.curta.ch Beck's Typewriter, Schreibmaschinen-Museum http://www.curta.org American Curta-Site http://www.vcalc.net/cu.htm Curta-Site by Rick Furr