M. E. Nunn
National Research Council (U.S.). Highway Research Board.
MacAuley Johnson
Whitehead, R. A.
Alfred Walton Johnson
Derek Zobel
John Fowler and Company.
D. Ward King
Eugene Bradley Coco
Joanne Randolph
Unknown Author
A.D. Baker Company
Alison Inches
Massachusetts Metropolitan Water and Sewerage Board
Brimax