3 literature references for Trachyzulpha annulifera Carl, 1914:

Author: Hollier
Year: 2010
Title: An annotated catalogue of the primary type specimens of the Orthoptera (Insecta) species described by Johann Carl and Adolf Fritze
Source: Revue Suisse de Zoologie (Revue Suisse de Zool.) 117(1):23- 44
Author: Jin, Xingbao & Hsia
Year: 1994
Title: An Index-Catalogue of Chinese Tettigoniodea (Orthopteroidea: Grylloptera)
Source: Journal of Orthoptera Research (Jour. Orth. Res.) 3:15-41
Author: Carl
Year: 1914
Title: Phasgonurides du Tonkin
Source: Revue Suisse de Zoologie (Revue Suisse de Zool.) 22(16):541-555