Phillips, Denise (4 June 2012). Acolytes of Nature: Defining Natural Science in Germany, 1770-1850. University of Chicago Press, Chicago, pp. 69. ISBN 9780226667379. Gearchiveerd op 11 juni 2023. Geraadpleegd op 31 July 2018 "The one female member [of the Society of Nature-Researching Friends] of bourgeois origin was also the most celebrated German-speaking female naturalist of the period. Catharina Helena Dörrien was a gifted flower painter and author of a well-received flora of Nassau."
Phillips, Denise (4 June 2012). Acolytes of Nature: Defining Natural Science in Germany, 1770-1850. University of Chicago Press, Chicago, pp. 69. ISBN 9780226667379. Gearchiveerd op 11 juni 2023. Geraadpleegd op 31 July 2018 "The one female member [of the Society of Nature-Researching Friends] of bourgeois origin was also the most celebrated German-speaking female naturalist of the period. Catharina Helena Dörrien was a gifted flower painter and author of a well-received flora of Nassau."