England and Wales. Sovereign (1625-1649 : Charles I).
H.S Mildenhall
United States. National Transportation Safety Board.
Unknown Author
Ohio. Dept. of Highways. Bureau of maintenance and repair.
Dennis A. Long
Canada
International Labour Office. Expanded Programme of Technical Assistance
Lennard Zinn
Peter Kendrich
United States. General Accounting Office
Gershom Johnson
John Loudon M'Adam
Louis Berger International, inc.
Patrick Lavin
A. H. Perry
Janez Žmavc