3 literature references for Pseudoparatettix inermis (Hancock, J.L., 1913):

Author: Otte, D.
Year: 1979[1978]
Title: The primary types of Orthoptera (Saltatoria. Blattodea, Phasmatodea, and Mantodea) at the Academy of Natural Sciences of Philadelphia
Source: Proceedings of the Academy of Natural Sciences, Philadelphia (Proc. Acad. Nat. Sci. Philad.) 130:26-87
Author: Günther, K.
Year: 1939
Title: Revision der Acrydiinae (Orthoptera), III. Sectio Amorphopi (Metrodorae Bol. 1887, aut.)
Source: Abhandlungen und Berichte aus den Staatlichen Museen für Tierkunde und Völkerkunde in Dresden (Ser. A: Zool.) (N.F.) (Abh. Mus. Tierkd. Völkerkd., (A) Zool. (N.F.)) 20(NF Bd.1):16-335, 250 figs.
Author: Hancock, J.L.
Year: 1913
Title: Studies of Tetriginae (Acrydinae) from Sarawak Museum, Borneo
Source: Sarawak Mus. J. 1(3):39-54