SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Thud!> <http://dbpedia.org/ontology/nonFictionSubject> ?uri }
On which subjects does the author of the novel Thud! delve?
SELECT DISTINCT ?e WHERE { resource:Thud! property:non_fiction_subject ?e }
Chess, Racism, Troll, Sam Vimes, Dwarfs (Discworld), Ankh-Morpork City Watch, Ankh-Morpork, Fantasy, Minor Discworld concepts
The non-fiction subjects of Thud! are [Chess, Racism, Troll, Sam Vimes, Dwarfs (Discworld), Ankh-Morpork City Watch, Ankh-Morpork, Fantasy, Minor Discworld concepts].
Non-fiction Thud! has the following topics [chess, racism, troll, Sam Weimes, dwarfs (Discworld), Anh-Morpork City Watch, Anh-Morpork, Female, Minor Discworld].