E. M. · H. E. · H. M. · Howard E.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| An Illustrated Manual of California Shrubs | 978-0-520-00847-2 (0-520-00847-2) | 1951 | |
| Pacific Coast Trees, Second edition | 978-0-520-04364-0 (0-520-04364-2) | 1981 | Evelyn Maino |