| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Elementary School Agriculture: A Teacher's Manual to Accompany Hilgard and Osterhout's "Agriculture for Schools of the Pacific Slope" | 978-1-148-44723-O (1-148-44723-7) | 2010 | Eugene Woldemar Hilgard · Ernest Brown Babcock |