- Author: Mary C. Hatch Author Record # 112468
- Legal Name: Wulff, Mary Cottam Hatch
- Birthplace: Utah, USA
- Birthdate: 1910
- Deathdate: 3 June 1970
- Language: English
- Webpages: nytimes.com
- Note: American librarian & writer. Married to artist/illustrator Edgun V. Wulff.