| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Nitrogen with Four Rings | 978-0-470-37521-1 (0-470-37521-3) | 1951 |
| Six Membered Heterocyclic Nitrogen Compounds with Three Condensed Rings | 978-0-470-37851-9 (0-470-37851-4) | 1958 |
C.A. · C Allen · C.F. · C. F. Allen · C. F. H. · C.H. · F A · F. Allen · H.A. · H. Allen