In metaphysics, an Aristotelian realism about universals is defended by such philosophers as David Malet Armstrong and Stephen Mumford, and is applied to the philosophy of mathematics by James Franklin.
An order for 12 Universals was placed by Western Canada Airways when its owner, James Armstrong Richardson, Sr. judged that the Standard Universal was the best available transport for use in the northern regions of Canada.
The first military Super Universals were introduced into service following Japan's invasion of Manchuria in 1931 when the Imperial Japanese Army commandeered seven Super Universals from the Japan Air Transport Company.
Brown, P. and Levinson, S. (1987) Politeness: Some Universals in Language Usage.