Requested reference
Hahn, C. W. (1834). Die Arachniden. C. H. Zeh'sche Buchhandlung, Nürnberg, Zweiter Band, pp. 17-56, pl. 48-56 (f. 106-143). [for the correct year of publication see Brignoli, 1985b] doi:10.5962/bhl.title.43744 -- Show included taxa