- http://id.loc.gov/authorities/subjects/sj96006090
- http://experiment.worldcat.org/entity/work/data/457979187#Topic/schools_juvenile_fiction
- http://experiment.worldcat.org/entity/work/data/457979187#Topic/sequences_mathematics_juvenile_fiction
- http://experiment.worldcat.org/entity/work/data/457979187#Topic/mystery_and_detective_stories
- http://experiment.worldcat.org/entity/work/data/457979187#Topic/sequences_mathematics_fiction
- http://id.loc.gov/authorities/subjects/sh2008111273
- http://id.loc.gov/authorities/subjects/sh85048028
- http://id.worldcat.org/fast/923656
- http://id.worldcat.org/fast/1112884
- http://experiment.worldcat.org/entity/work/data/457979187#Topic/fibonacci_numbers_fiction
- http://id.loc.gov/authorities/subjects/sh85120145
- http://experiment.worldcat.org/entity/work/data/457979187#Topic/fibonacci_numbers
- http://id.worldcat.org/fast/1107958
- http://id.loc.gov/authorities/subjects/sj96005978
- http://experiment.worldcat.org/entity/work/data/457979187#Topic/schools

- "Horrible Harry must defend his reputation as a detective by cracking the secret code of Mrs. Funderburke's lunch prizes."@en
- "Horrible Harry must defend his reputation as a detective by cracking the secret code of Mrs. Funderburke's lunch prizes."