Engineering Economics: First Principles (Paperback or Softback)

The Gospel: An Exposition of Its First Principles (Paperback or Softback)

First Principles of Music (Paperback or Softback)

An Outline of the First Principles of Botany (Paperback or Softback)

The First Principles of Agriculture [microform] (Paperback or Softback)

First Principles of Natural Philosophy (Paperback or Softback)

On First Principles (Paperback or Softback)

First Principles of Chemistry (Paperback or Softback)