John Field - Karadar dictionary entry with life, works, related composer links, and MIDI audio sample. - http://www.karadar.it/Dictionary/field.html
John Field: The Irish Romantic - In-depth biography, details of his career in Russia, portrait, and a works list. - http://www.carolinaclassical.com/articles/field.html
Field, John - Biography with musical training and influences, piano virtuosity and touring, influence on subsequent composers, noted compositions, and summary list of works. From the Grove Concise Dictionary of Music entry at WQXR radio. - http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=3167