We would like to apologize for the inconvenience. Due to an unfortunate accident some data was erased from the Scholar's main page. An older version of the data was uploaded so the format has also reverted to a previous state. All content is still present on the Scholar and can be found via navigation in the viewer itself, but links to content on the Scholar's main area are currently missing.
We are working to correct this as quickly as possible and thank you for your patience.