General: http://www.hudson-cars.com/

From 1909 to 1939: http://www.hudson-cars.com/hudson-automobiles.html

From 1940 to 1956: http://www.hudson-cars.com/hudson-cars.html

Adition:
HUDSON General Specifications from 1949 to 1957
See this page in 1952 Hudson http://oldcarandtruckpictures.com/AmericanMotors/Hudson1949-1957.html or enlarge this pic