1. The Bobbsey Twins in Echo Valley Title: The Bobbsey Twins in Echo Valley Date: 1943 [1946] Author: Hope Illustrator: Illus. by Marie Schubert Collecting Area: Mathes Childrens Literature
2. Boy campaigners of '61 Title: Boy campaigners of '61 Date: 1933 Author: Cowan Illustrator: [Illus. by Giles ?] Collecting Area: Mathes Childrens Literature
3. The Bobbsey twins' wonderful secret Title: The Bobbsey twins' wonderful secret Date: 1931 [1945] Author: Hope Collecting Area: Mathes Childrens Literature
4. Hope Title: Hope Date: 1916 [1942] Illustrator: The Bobbsey twins at home, [Illus. by W.R. Rogers] Collecting Area: Mathes Childrens Literature
5. Camp-in-the-yard Title: Camp-in-the-yard Date: 1961 Author: Thompson Illustrator: Illus. by Brinton Turkle Collecting Area: Mathes Childrens Literature
6. The Bobbsey twins at Meadow Brook Title: The Bobbsey twins at Meadow Brook Date: 1915 [1956] Author: Hope Illustrator: [Illus. by Marie Schubert] Collecting Area: Mathes Childrens Literature