Siemens Aktiengesellschaft (Corporate Name)

Siemens-Schuckertwerke A.-G. f. 1903, and Siemens-Reiniger-Werke A.G., f. 1932, were incorporated 1966 into Siemens & Halske A.-G., f. 1847; later in the same year name changed to Siemens Aktiengesellschaft

Its Tabellenbuch Fernsprechverkehrstheorie, 1970.

Futurologia, 1973: t.p. (Siemens) p. 5 (Siemens AG)

Siemens in Argentinien, c2004: t.p. (Siemens in Argentinien)

Its website, viewed 19 Aug. 2015: home p. (Siemens; Siemens AG) about p. (global organization; focus is on the areas of electrification, automation and digitalization) corporate information p. (Corporate Headquarters: Siemens Aktiengesellschaft, Wittelsbacherplatz 2, 80333 Munich, Germany; registered offices in Berlin and Munich) history p. (in 1966, Siemens & Halske, Siemens-Schuckertwerke and Siemens-Reiniger-Werke were joined together legally and organizationally as Siemens AG, established on 1 October 1966)

Wikipedia, viewed 20 Aug. 2015 (Siemens; largest engineering company in Europe)