The Washington State Historical Society's Research Center has posted 11,000 hospital records from the Northern Pacific Beneficial Association Northern Pacific Hospital Records, Tacoma, Washington, 1905-1930.
The library has digitized numerous collections that can be accessed online, including: Advisory Circulars; CAA and FAA Reports; Civil Aeronautics Manuals; Civil Aeronautics Regulations
Federal Aviation Regulations; Historic Cab/Dot Orders;
Investigations of Aircraft Accidents 1934- 1965; Investigations of Railroad Accidents 1911 - 1993; National Conferences on Street and Highway Safety; Papers By H.S. Fairbank - Frank Turner - T.H. Macdonald; US Coast Guard Circulars.