This case study is looking at Humanist.
Here are the basic links:
We have a version of Voyant with all the abstracts from DH 2012 with which to compare.
Stéfan loaded it into Voyant with special expressions to focus on the body of the content and extract title and author metadata:
That link recreates the corpus, so it's better to use this:
And, as a bonus, here's the same corpus with automatic (read: error-prone) entity extraction: