2 literature references for Mantis keratosqueleton Olivier, 1792:

Author: Olivier
Year: 1792
Title:
Source: Encyclopédie Méthodique, ou par ordre de matières par un société de gens de lettres, de savans et d´artistes. Histoire Naturelle, Panckoucke, Paris 7
Author: Bragg
Year: 1995
Title: Comments on the species of Phasmida described by Stoll in 1788 and named by Olivier in 1792
Source: Phasmid Studies 4(1):24-25