John Langdon Sibley Letters to Levi Bartlett
Will of John Langdon Sibley, of Cambridge
Letter from John Langdon Sibley to Rev. Augustus R. Pope, Kingston, Mass
John Langdon Sibley's Diary (known as Sibley's Private Journal), 1846-1882 [website]
The Sibleys
Biographical Sketches of Graduates of Harvard University in Cambridge, Massachusetts, by John Langdon Sibley. With an Appendix, Containing an Abstract of the Steward's Accounts and Notices of Non-graduates, from 1649-50 to 1659. Cambridge, C.W. Sever, 1873-19
A Remarkable Self-made Man
Biographical Sketches of Graduates of Harvard University, in Cambridge, Massachusetts
The Bartlett Collection
Biographical Sketches of Graduates of Harvard University, in Cambridge, Massachusetts
Biographical Sketches of Graduates of Harvard University, in Cambridge, Massachusetts
Biographical Sketches of Graduates of Harvard University, in Cambridge, Massachusetts: 1659-1677 (1881)
A History of the Town of Union in the County of Lincoln, Maine, to the Middle of the 19th Century ; with a Family Register of the Settlers, Before the Year 1800, and of Their Descendants, by John Langdon Sibley
Letter of the Librarian of Harvard College (J. L. Sibley) to the Committee of the Association of the Alumni appointed to take into consideration the state of the College Library, etc
Representative Biographies from Sibley's "Harvard Graduates."
New England Life in the 18th Century. Representative Biographies from "Sibley's Harvard Graduates". [By] Clifford K. Shipton. [With Portraits.].
Notice
John Williams
Will of J.L. Sibley, of Cambridge
Will of J.L. Sibley, Etc