Incoming Resources
- World Book Inc., Chicago, Ill., 1997
- World Book Inc., Chicago, Illinois, 2020
- World Book Inc., Chicago, Illinois, 2017
- World Book Inc., Chicago, Illinois, 2019
- World Book Inc., Chicago, 2021
- World Book Inc., Chicago, IL, 2012
- World Book Inc., Chicago, 2019
- World Book Inc., Chicago, IL, 2019
- World Book Inc., Chicago, IL, 2015
- World Book Inc., Chicago, 2020
- World Book Inc., Chicago, Illinois, 2020-
- World Book Inc., Chicago, 2013
- World Book Inc., Chicago, Illinois, USA, 2020
- World Book Inc., Chicago, Illinois, 2019-
- World Book Inc., In association with Two-Can Publishing Ltd., Chicago, Ill., 1997
- World Book Inc., Chicago, IL, 1997