- Wrigley Directories. Wrigley's Alberta directory, 1920. Vancouver: Wrigley Directories, 1920.
- Physical description: 832 p., illus., maps, ports.; 23 cm.
- Language: English
- Intended to be biennial. Includes 3 sections: yearbook; gazetteer and alphabetical directory; and classified business directory sections. Also published, Wrigley's Alberta directory, 1922 (861p.).
- Subject headings: