• Tree species from Wikipedia
• Flowers come from Darius K's corpora][dariusk]
• Nationalities come the UK Government's list of nationalities via [Darius K's corpora][dariusk-nationalities]
• Sports come from Wikipedia via Darius K's corpora
• Household objects come from Darius K's corpora
• Feelings came from Darius K's corpora.
• Nouns came from [Darius K's corpora][dariusk-nouns].
• Evaluation adjectives come from the original Tracery source
• Degrees comes from UW-Madison's list

The following were written by me:
artist_kind
assistantNames
book_descriptor
book_serious
book_title
city
large_number
occupation
* many