Censored lines.
From The Grotto by Peter Drake (1733). Original from Oxford University. Digitized June 13, 2008.
Censored lines.
From The Grotto by Peter Drake (1733). Original from Oxford University. Digitized June 13, 2008.
Circulation stamps and redaction.
From the back matter of A Serious Call to a Devout and Holy Life by William Law (1906). Original from Harvard University. Digitized December 13, 2006.
Sections crossed out.
Throughout Regulations Governing the Uniform of Commissioned Officers, Warrant Officers and Enlisted Men of the Navy of the United States (1905). Original from Harvard University. Digitized September 26, 2008.
Canceled circulation stamps.
From the back matter of Waste by Harley Granville-Barker (1910). Original from the University of Virginia. Digitized October 25, 2010.
A reader asks the big questions in the margins.
…and draws a hot air balloon?

Throughout The Frontier in American History by Frederick Jackson Turner (1921). Original from the University of Michigan. Digitized September 17, 2008.
Circulation slip vs. broad marker.
From the back matter of Nature Study for the Common Schools by Wilbur Samuel Jackman (1891). Does not include metadata indicating library of origination or date of digitization (but does include Stanford library artifacts).
For Apostles, read Angels.
From p. 78 of Bona Mors: or, The Art of Dying Happily (1706). Original from the New York Public Library. Digitized October 18, 2010.
Redacted circulation stamps.
From the back matter of A Book of Prayers: Together with Psalms and Hymns and Spiritual Songs, Ancient and Modern, ed. by Charles W. Leffingwell (1921). Original from Harvard University. Digitized September 14, 2007.