Scott - Plane Trigonometry and Mensuration - paperback or softback - X555z

Wentworth - Plane Trigonometry and Tables - New paperback or softback - X555z

Rosenbach - Plane Trigonometry - New paperback or softback - 95 - X555z

Murray - Elements of Plane Trigonometry - New paperback or softback - - X555z

Wentworth - Plane Trigonometry - New paperback or softback - 21 - X555z

Dresden - Plane Trigonometry - New paperback or softback - 65 - X555z

Durell - Plane Trigonometry - New paperback or softback - 70 - X555z

Hobson - A Treatise on Plane Trigonometry - New paperback or softback - X555z