DNB via VIAF, February 26, 2013 (access point: Lichnowsky, Karl Max von; title: Fürst; variant forms: Lichnowsky, Karl M. von, Lichnowsky, Carl Max, Lichnowsky, Karl Maximilian, Lichnowsky, ... <Fürst>, Lichnowsky, ... <Principe>, Lichnowsky, Karl Max, Lichnowsky, Charles-Max; German; 1860-1928)
German Wikipedia, February 26, 2013 (Karl Max von Lichnowsky; Karl Max Fürst von Lichnowsky; born March 8, 1860 in Kreuzenort, Upper Silesia; died February 27, 1928 in Kuchelna, Czechoslovakia; German diplomat)
Julius Bühler, 2011 title page (... knížete Karla Maxe Lichnowského) English summary (Prince Karl Max Lichnowsky)
LC in OCLC, 1-20-92 (hdg.: Lichnowsky, Karl Max, fürst von, 1860-1928; usage not show)
The Disclosures from Germany, 1918 p. 5, etc. (Karl Maximilian, sixth Prince Lichnowsky; b. 1860; Fürst Lichnowsky; Prince Lichnowsky, former German ambassador to England)
Wer ist's?, 1908 (Lichnowsky, Karl Max, 6. Fürst v.; b. 8 Mar. 1860)