404. That’s an error.

The requested URL /bookmarks/mark?op=edit&bkmk=https%3A%2F%2Fdata.bnf.fr%2Ffr%2Fcross-documents%2F13927540%2F13915046%2F10%2Fpage1&title=Bernhard+Paumgartner+%281887-1971%29 was not found on this server. That’s all we know.