Harold J. Frost

Stationary Engineering Laboratory--2. Teacher's Guide.

Frederick M. Steingress, Harold J. Frost, 1976 .

Stationary Engineering Laboratory Manual--2.

Frederick M. Steingress, Harold J. Frost, 1976 .

Stationary Engineering. Science 2. Teachers Guide.

Frederick M. Steingress, Harold J. Frost, 1977 .

High Pressure Boilers

Frederick M. Steingress, Harold J. Frost, Daryl R Walker, 1933, Nature.