A checklist of chiggers (Trombidiformes: Trombiculidae and Leeuwenhoekiidae) of Panama
Bassini-Silva, Ricardo; Carvalho Takatsu, Julia; Bermúdez, Sergio E.; Miranda, Roberto J.; Welbourn, Cal; Ochoa, Ron; Moraes Barros-Battesti, Darci and de Castro Jacinavicius, Fernando  Revision of the subfamily Apoloniinae Leeuwenhoekiidae Acarina
Vercammen-Grandjean, P.H. and Kolebinova, M.  A new genus and species of North American bat chiggers (Acarina, Leeuwenhoekiidae)
Vercammen-Grandjean, P.H. and Watkins, S.G.  Revision of Brennanella Radford, 1954 (Acarina: Leeuwenhoekiidae)
Vercammen-Grandjean, P.H.; Watkins, S.G. and Deblauwe, C.  Revision of Whartonia glenni Brennan, 1962, on American bat parasite (Acarina: Leeuwenhoekiidae)
Vercammen-Grandjean, P.H.; Watkins, S.G. and Beck, A.J.  The nymph of Austracarus dendrohyracis Vercammen-Grandjean, 1957 (Acarina: Leeuwenhoekiidae)
Vercammen-Grandjean, P.H. and Watkins, S.G.  Cockingsia samsinaki, new species of Leeuwenhoekiidae (Trombidiformes)
Daniel, M.