Fowler - Elements of Deductive Logic microform.. - New paperback or - X555z

True - Elements of Logic - New paperback or softback - X555z

Dupuis - Elements of Geometrical Optics microform - New paperback or - X555z

Fowler - Queen's Elements - New paperback or softback - X555z

Read - Logic Deductive and Inductive microform - New paperback - X555z

Lafleur - Illustrations of Logic microform - New paperback or softba - X555z

Lyon - Elements of Harmony microform - New paperback or softback - X555z

Clarke - Elements of Vocal Harmony microform - New paperback or soft - X555z