| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Manual of the plants of Colorado, for the identification of the ferns and flowering plants of the state | 978-O-8357-O397-O (O-8357-O397-5) | 1979 |
D,. H.. · David H. · David Harrington · H.D. · H.D. Harrington · H.H. · H. Harrington · Harold D.