photography from father, albertype from Joseph Albert in Munich
Germany
Adolf Knop (1828-1893): System der Anorganographie (1876) ; H. B. Geinitz & J. V. Deichmüller: Saurier der unteren Dyas von Sachsen, in: Paleontographica 29, 1882 ;
1879 court photographers for the Kingdom of Saxony
accountant partner Leopold Erasmus Jonas ; painter Carl Wuttke (1849-1927) ; photographer James Buchanan Aurig (1857-1935) ; successor Hans Römmler (son) ;