Bluebulb Projects' The Measure of Things presents:
770,000 is about one-thirtieth the number of Books in the Library of Congress (2013).
In other words, it's 0.032638091 times the count of Books in the Library of Congress (2013), and the count of Books in the Library of Congress (2013) is 30.6390470 times that amount.
(2013 figures) (total of books only)
As of September, 2013, The Library of Congress had 23,592,066 books in its catalog and a total of 158,007,115 physical items.
