LC in OCLC, Feb/22/1996 (hdg.: Solf, Wilhelm Heinrich, 1862-1936; usage: W.H. Solf, W. Solf)
RLIN, Feb/22/1996 (usage: W.H. Solf, Wilhelm Solf, Dr. Solf, W. Solf)
Wikipedia, viewed July 11, 2016 (Wilhelm Solf; Wilhelm Heinrich Solf (5 October 1862-6 February 1936) was a German scholar, diplomat, jurist and statesman. Born in Berlin; became the first Governor of German Samoa on 1 March 1900)