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'This extensive and thorough encyclopedia is a real treasure for the technically oriented organ enthusiast and an excellent place to begin some serious research on the instrument. Recommended for public and academic libraries.' - Library Journal 'For anyone and any library seriously collecting works on the organ, above all on organ design and organ-building, this Encycloepdia will be a must-have ... a well-focused reference work ... If you collect in this area, get it.' - Reference Reviews