11. Number 20 - Pruning: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
12. Number 21 - March Study: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
13. Number 19 - The Study of Apple Twigs and Buds: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
14. Volume 4, Number 22 - About Gardens: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
15. Volume 4, Number 23 - Mosquitoes: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
16. Volume 4, Number 24 - Fence-Row Studies: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
17. Volume 4, Number 25 - Wild Life Indoors: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
18. Volume 4, Number 26: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
19. Volume 4, Number 27 - About Crows: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1902 Format: Issue
20. Volume 4, Number 28 - How Apple Trees Are Made: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1903 Format: Issue
