Go to the following website, you can get free trial for two weeks. You can download the notes, but they have the security you can just read in your own computer. If you copy and paste the notes to another computer, the files cannot be open. Of course, you can register with different usernames and download. Or you can use different usernames to get different levels of notes.
http://allenresources.com/trials/insidertbo/trialc4.php?pagever=1
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