Words by hand catalogs and preserves the handwritten word, from today and yesterday. Handwriting is disappearing and this is one way to keep it visible for all of us to enjoy.
This image is from the Library of Congress site noted below. Read more about Carl Sagan's 1954 Reading List found in his papers at:
http://blogs.loc.gov/catbird/2012/07/sagans-papers-offer-a-window-into-his-literary-pursuits/