You need to authenticate to access the contents.
To log in just type the user name "guest" and the password "reader"
If you log in it means that you agree with the following:
1. You will not use or re-use the information on this site for any kind of material benefit. It is free for you AND everyone else.
2. You will not use the texts, pictures or movies as part of any teaching curriculum in any form: course, workshop, lesson, talk, etc. free or not.
3. You are aware that you don't own any of the material beyond this page.
The usual login... only easier.
Read the "user" and "password" on top of the page.