The water mite species Piona conglobata (Koch, 1837), Piona punctata (Neuman, 1875), and Piona lacustricola K.Viets, 1949 (Acari, Hydrachnidia, Pionidae) in Norway
  New insights into the distribution, ecology, and systematic position of the rare water mite Rutripalpus limicola Sokolow, 1934 (Acari: Rutripalpidae)
  Water mites of the genus Lebertia Neuman, 1880 from the eastern Himalayas (Acari: Hydrachnidia: Lebertiidae)
  Rediscovery of the water mite Atractides circumcinctus Schwoerbel, 1956 (Acari: Hydrachnidia) in the Black Forest National Park
  Synonymy of the water mite families Malgasacaridae and Zelandothyadidae (Acari: Hydrachnidia) reveals an interesting disjunct distribution in the Southern Hemisphere
  Pseudofeltria (Acariformes: Pionidae) in Europe: Three previously described taxa, a species new to science from the Northern Apennines, and a redefinition of Foreliinae
  A checklist of the water mites of France (Acari: Hydrachnidia)
  The water mite family Acherontacaridae Cook, 1967 nov. stat. and diagnosis of the superfamily Hydrovolzioidea Thor. 1905 (Acariformes, Hydrachnidia)
  Carl Bader, 1910-1997. An obituary