Incoming Resources
- Crabtree Publishing Company, St. Catharines, ON, New York, New York, 2017
- Crabtree Pub. Co., St. Catharines, ON, New York, c2009
- Freedom Press Canada Inc., St. Catharines, ON, 2012
- Hurtig, Vanwell Publishing Ltd., Edmonton, St. Catharines, ON, c1978
- Crabtree, St. Catharines, ON, New York, c2010