| Title | Manual of the Hawthorns of Cook and Du Page Counties of Illinois. Chicago, IL |
| Abbreviation | Man. Hawthorns Cook & Du Page Counties |
| Authors | K. Laughlin |
| Publication Dates | 1956 |
| Title | Manual of the Hawthorns of Cook and Du Page Counties of Illinois. Chicago, IL |
| Abbreviation | Man. Hawthorns Cook & Du Page Counties |
| Authors | K. Laughlin |
| Publication Dates | 1956 |