Here are two links that may be helpful to those interested in working with Thaumcraft

List of Aspects: http://ftbwiki.org/List_of_Aspects_(Thaumcraft_4.1)
Research Guide: http://ythri.github.io/tcresearch/

When using the second link, be sure to set the version to Thaumcraft 4.1.0g

-Edit by Cara: Rewrote the post to make it readable

 

This has the order/what's required for unlocking aspects when scanning.

http://imgur.com/lBkmIWL