| Title | Year | Call # | Link | Location |
| An atlas of Clay County, Illinois [microform] / from actual surveys under the direction of B.N. Griffing | 1881 | F. 912.773795 L14A | Link to Catalog | Illinois History & Lincoln Coll. [non-circulating] |
| Clay County, Illinois [map] / A.C. Spiker, C.E., draftsman | 1901 | See State Library Catalog | ||
| Plat book of Clay Co. [Ill.] [cartographic material] | 193-? | Q. 912.773795 H64P195- | Link to Catalog | Main Stacks |
| Plat book of Clay Co. [Ill.] | 1930? | 912.773795 H64p | Link to Catalog | Main Stacks |
| Plat book of Clay County, Illinois. | 1930? | 912.773795 H64p | Link to Catalog | Map & Geography-Oak St Facility [request only] |
| Clay County, Ill. | 1930? | G4103.C55 1930 .W2 | Link to Catalog | Illinois History & Lincoln Coll. Oversize [non-circulating] |
| Farm plat book with index to owners, Clay County, Illinois | 1953 | See State Library Catalog | ||
| Farm plat book with index to owners, Clay County, Illinois | 1963 | Q. 912.773795 R59F1963 | Link to Catalog | Main Stacks |
| Triennial farmers atlas & residents directory, Clay County, Illinois | 1967 | Q. 912.773795 R59T | Link to Catalog | Main Stacks |
| Atlas & plat book, Clay County, Illinois / sponsored by Clay County Farm Bureau | 1973 | Q. 912.773795 R59t1 | Link to Catalog | Main Stacks |
| Triennial farmers atlas & residents directory, Clay County, Illinois | 1973 | Q. 912.773795 R59T | Link to Catalog | Main Stacks |
| Land atlas & plat book ... Clay County, Illinois / Rockford Map Publishers | 1976 | Q. 912.773795 R59t1a | Link to Catalog | Main Stacks |
| Triennial farmers atlas & residents directory, Clay County, Illinois | 1976 | Q. 912.773795 R59T | Link to Catalog | Main Stacks |
| Land atlas & plat book ... Clay County, Illinois / Rockford Map Publishers | 1979 | Q. 912.773795 R59t1a | Link to Catalog | Main Stacks |
| Land atlas & plat book ... Clay County, Illinois / Rockford Map Publishers | 1982 | Q. 912.773795 R59t1a | Link to Catalog | Main Stacks |
| Land atlas & plat book ... Clay County, Illinois / Rockford Map Publishers | 1986 | Q. 912.773795 R59t1a | Link to Catalog | Main Stacks, Map & Geography Maps [non-circulating], and Illinois History & Lincoln Coll. [non-circulating] |
| Clay County, Illinois, plat directory, 1987 | 1987 | See State Library Catalog | ||
| [Clay County, Illinois atlas and plat book] / distributed by the Clay County Farm Bureau | 1990 | See State Library Catalog | ||
| Clay County, Illinois, plat directory : 2001 | 2001 | See State Library Catalog | ||
| 2004 land atlas & plat book, Clay County, IL. | 2004 | See State Library Catalog | ||
| Plat book of Clay County, Illinois. | 2007 | 912.773795 H64p2007 | https://i-share.carli.illinois.edu/uiu/cgi-bin/Pwebrecon.cgi?DB=local&v1=1&BBRecID=5479017 | Illinois History & Lincoln Coll. [non-circulating] |