Sibley, J. L. (1851). History of the town of Union, in the county of Lincoln, Maine, to the middle of the nineteenth century: With a family register of the settlers before the year 1800 and of their descendants. Boston: B.B. Mussey.

Sibley, John Langdon. History of the Town of Union, in the County of Lincoln, Maine, to the Middle of the Nineteenth Century: With a Family Register of the Settlers Before the Year 1800 and of Their Descendants. Boston: B.B. Mussey, 1851.

Sibley, John Langdon. History of the Town of Union, in the County of Lincoln, Maine, to the Middle of the Nineteenth Century: With a Family Register of the Settlers Before the Year 1800 and of Their Descendants. Boston: B.B. Mussey, 1851.