Kauffeldt, A. Otto von Guericke, 1977, c1975: t.p. (Otto von Guericke) p. 9 (b. 11/20/1602) p. 27 (d. 5/11/1686)
LC data base, 8-2-83: (hdg.: Guericke, Otto von, 1602-1686)
LCCN 7-19900: His Ottonis de Guericke Experimenta nova, 1672: (hdg.: Guericke, Otto von, 1602-1686)
Schott, Caspar. Technica curiosa, sive, Mirabilia artis, 1664: p. 24 (Epistolae tres ... Ottonis Gericke, patricii, et Reipublicae Magdeburgensis consulis) p. 26 (Ottonis Gerickii)
Wikipedia, Dec. 24, 2014: (scientist, inventor, and politician; born to a patrician family of Magdeburg, Germany)