1. All about sweet peas: an art monograph. Creator: Hutchins, W. T. Collection: Core Historical Literature of Agriculture Publisher: [s.n.], Publication Place: Philadelphia : Date: 1892 Format: Book
2. Sweet peas up-to-date: with a complete description of all known varieties, including novelties for 1897 Creator: Hutchins, W. T. Collection: Core Historical Literature of Agriculture Publisher: W. A. Burpee & Co. Publication Place: Philadelphia : Date: 1897 Format: Book