Examples of labels from a) Emond de Selys; b) Friedrich M. Brauer; c) Friedrich Ris and Karl F. Buchholz; d) Erich Schmidt, e) Martius A. Lieftinck; and f) Otto le Roi.

  Part of: Henningsen M, Peitzner G, Peitzner P, Husemann M (2020) An updated checklist of type material of dragonflies and damselflies (Odonata) housed in the Zoological Museum Hamburg (ZMH), Germany. Evolutionary Systematics 4(1): 53-60. https://doi.org/10.3897/evolsyst.4.48407