Little, Wm. A. "Six Sonatas For The Organ (op. 65), 1844–1845: Chronology and Genesis." Mendelssohn and the Organ. : Oxford University Press, 2010-07-01. Oxford Scholarship Online. 2010-09-01. Date Accessed 19 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195394382.001.0001/acprof-9780195394382-chapter-14>.
Little, W.(2010-07-01). Six Sonatas For The Organ (op. 65), 1844–1845: Chronology and Genesis. In Mendelssohn and the Organ. : Oxford University Press. Retrieved 19 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195394382.001.0001/acprof-9780195394382-chapter-14.
Little, Wm. A. "Six Sonatas For The Organ (op. 65), 1844–1845: Chronology and Genesis." In Mendelssohn and the Organ. : Oxford University Press, 2010-07-01. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195394382.001.0001/acprof-9780195394382-chapter-14.
Little WA. Six Sonatas For The Organ (op. 65), 1844–1845: Chronology and Genesis. In: Little WA. Mendelssohn and the Organ. Oxford University Press; 2010. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195394382.001.0001/acprof-9780195394382-chapter-14. Accessed May 19, 2013.