Other of his works included "On the Brink of 2000" (1910) and "You've Killed Privacy" (1928), also featuring the devices for seeing through time and space; Flammarion-inspired "After a Million Years" (1919) tackling the topic of the extinction of humanity, "The Girl in the Moon" (1928) about a runaway rocket ship, and "Thirty Years Late" (1928), the latter called by Brian M. Stableford "a transfiguration of the tale of Rip van Winkle".
