found: German East Africa, 1890-1892:visiting card (Dr. Kayser, P. Kayser; Wirklicher Geheimer Legationsrath, Dirigent der Kolonial-Abtheilung des Auswärtigen Amts)
found: WBIS online, Oct. 12, 2006(Kayser, Paul, b. 1845, d.1898, German jurist in Africa)
found: Deutsches Kolonial-Lexikon, 1920(Kayser, Paul, 1st Kolonialdirektor; b. Aug. 9, 1844, d. Feb. 13. 1898; jurist; joined Foreign Office in 1885, promoted to Wirklicher Legationsrat and in 1888 to Gehimer Legationsrat; 1890 became director of teh Colonial Department)
found: OCLC, Oct. 12, 2006(hdg.: Kayser, Paul; Kayser, Paul, 1845-1898; usage: Paul Kayser, P. Kayser, Paulus Kayser)