Has #Worldcat fully retreated behind log-in with user accounts? Trying to access titles by their #OCLC ID from our institutional IP range at HU Berlin, I get the following response:
```
<head>
<link rel="stylesheet" href="resource://content-accessible/plaintext.css">
</head>
<body>
<pre>This content is available to authenticated users only.
Please sign in to continue.</pre>
</body>
```
