That book annotating monster Adler indicated that if he read books second and subsequent times that he would generally purchase a new copy and mark it up afresh. Doublemonster!
See: How to Read a Book. Los Angeles: KCET Los Angeles, 1975. https://www.youtube.com/watch?v=Y_rizr8bb0c. It was one of the later episodes as I recall.
Bookmarked s p a r k l e s.
A very minimalistic looking Micropub client that offers: notes, images, replies, bookmarks, likes, articles, RSVPs, movies, and books.
Bookmarked Hannah Arendt papers, 1898-2006 (Library of Congress Finding Aid).
The Library of Congress has almost all of Hannah Arendt’s nachlass.