1. Vol. 96, No. 2, February, 1920: The Delineator Collection: Home Economics Archive: Research, Tradition and History Publisher: The Butterick company, inc. Publication Place: New York Date: 1920 Format: Issue
2. The economics of welfare Creator: Pigou, A. C. 1877-1959. Collection: Core Historical Literature of Agriculture Publisher: Macmillan and co., limited, Publication Place: London : Date: 1920 Format: Book