Dictionary of Aviation: Over 5,500 terms clearly defined

Dictionary of Military Terms: Over 6,000 words clearly defined

Dictionary of Banking and Finance: Over 9,000 terms clearly defined

Pocket Dictionary of Ethics: Over 300 Terms Ideas Clearly Concisely Defined (IVP Reference)

Pocket Dictionary of Christian Spirituality: Over 300 Terms Clearly and Concisely Defined (Ivp Reference)