The simplest way to check if we have access to a book or article on Springer Nature Link is to look for the title in Library Search.
You can also use the entry for Springer Nature Link in the Databases A-Z, this will direct you automatically through the correct authentication route and you can then search on the platform for the title.
If you have got to Springer Nature via the web or another link and need to authenticate on the site, you will need to enter 'City,' in the Find your institution search box and select City, University of London.