Spinoza - Principles of Descartes' Philosophy - New paperback or softb - X555z

Turner - Principles of Waterworks Engineering - New paperback or softb - X555z

Smith - Principles of Electrical Measurements - New paperback or softb - X555z

Tucho - Principles of Conflict Transformation - New paperback or softb - X555z

Russell - Ethics Principles Of Salesmanship - New paperback or softb - X555z

Parnell - Principles of Currency and Exchange - New paperback or softb - X555z

Scott - Principles of New Testament Quotation - New paperback or softb - X555z

Newell - Principles of Irrigation Engineering - New paperback or softb - X555z