Books by Robert E. Stephens

2 titles available, newest first by original publication date.

Educational Service Agency: American Education's Invisible Partner

Robert E. Stephens

$89.99

Circular of the Bureau of Standards No. 437: Optical and Mechanical Characteristics of 16-millimeter Motion-picture Projectors; NBS Circular 437

Circular of the Bureau of Standards No. 437: Optical and Mechanical Characteristics of 16-millimeter Motion-picture Projectors; NBS Circular 437

Robert E. Stephens

$15.99