Home Organization A - Z Walaeus Library Walaeus Library The Walaeus Library is Leiden University Libraries' medical library. The library is located on the first floor of the LUMC. Its website has moved. Please find the link and more information below. New website Walaeus Library Website Walaeus Library has moved The website of the Walaeus Library has moved to the website of the Leiden University Libraries. This means that this website is no longer active. Visit the new website at library.universiteitleiden.nl.