Edward E. Bauer
Thomas P. Wilson
Kuo-Chang Fan
C. Michael Miner
W. Bierhalter
National Lime Association
K. E. Clare
Jean-Michel Torrenti
American Association of State Highway and Transportation Officials
National Association of Australian State Road Authorities.
American Association of State Highway Officials
Unknown Author
Virginia. Dept. of Highways.
Arthur Garfield Bruce
O. F. Evans
Richardson, Charles Henry
Henri Gauthier
Rodolphe Hector Picher
Ephraim Noble Lowe
William F. Prouty