I'd imagine there's a website, maybe just a Wikipedia article that lists Dreyfuss's designs..i'll have a scout for one ;]
Ah here we go, Wikipedia..the cause, and solution to, all of life's problems.
Significant original Dreyfuss designs include:
the "Western Electric 302" tabletop telephone for Bell Laboratories (1930, produced 1937-1950)
the Hoover "Model 150" vacuum cleaner (1936)
the classic Westclox "Big Ben" alarm clock (1939)[1]
the New York Central Railroad's streamlined "Twentieth Century Limited" locomotive (1938)
the popular "Democracity" model city of the future at the 1939 New York World's Fair
the styled John Deere Model A and Model B tractors (1938)
the Wahl-Eversharp Skyline fountain pen (1940).
the "500" desk telephone (1949), the Bell System standard for 45 years
the Honeywell circular wall thermostat (1953).
the spherical "Model 82 Constellation" vacuum cleaner for Hoover (1954) which floated on an air cushion of its own exhaust.
the "Princess" telephone (1959)
the "Trimline" desk telephone (1965).
http://en.wikipedia.org/wiki/Henry_Dreyfuss