Practical ventriloquism and its sister arts : a revelation in vocal phonetics : Being a thoroughly reliable guide to the art of voice throwing and vocal mimicry by an entirely novel system of graduated exercises, to which are added ful instructions in vocal instrumentation : how to work ventriloquial figures with effect / formulated and guaranteed by Robert Ganthony ; after being tested by him during years of personal tuition, with numerous illustrations by the author. - London : Upcott Gill ; New York : Scribner's, [195?].