Digital Resources: Charles Darwin’s Personal Address Book Available Online For the First Time

From the National University of Singapore:
The Darwin Online project at the National University of Singapore (NUS) publishes for the first time today: Charles Darwin’s personal Address Book. It offers an astonishingly personal glimpse into the life and work of the great scientist.
Charles Darwin’s Address Book is a small brown leather notebook, with “VISITS” and “ADDRESSES” printed on its spine (photo 1) and index-letter tabs in alternating