| Title | Year | Call # | Link | Location |
| Johnson County, Illinois | 1926 | G4103.J7 1926 .W2 | Link to Catalog | Illinois History & Lincoln Coll. Oversize [non-circulating] |
| Plat book of Johnson Co., Ill. | 1926? | 912.773996 H64p | Link to Catalog | Map & Geography-Oak St Facility [request only] |
| Plat book, Johnson County, Illinois. | 1950? | Q. 912.773996 G28p | Link to Catalog | Main Stacks; Oak Street Facility [request only] |
| Farm plat book with index to owners, Johnson County, Illinois | 1963 | Q. 912.773996 R59F | Link to Catalog | Main Stacks |
| Atlas & plat book, Johnson County, Illinois | 1972 | 912.773996 R59A | Link to Catalog | Main Stacks |
| Atlas & plat book, Johnson County, Illinois | 1974 | 912.773996 R59A | Link to Catalog | Main Stacks |
| Land atlas & plat book, Johnson County, Illinois / Rockford Map Publishers | 1978 | Q. 912.773996 R59A1 | Link to Catalog | Map & Geography Reserves |
| Union & Johnson counties, Illinois : 1990 plat directory. | 1990 | See State Library Catalog | ||
| Union & Johnson Counties, 1993 plat directory, Illinois / distributed by Union County Farm Bureau. | 1993 | See State Library Catalog | ||
| Union & Johnson Counties, plat directory, Illinois. | 1997 | See State Library Catalog | ||
| Johnson County, Illinois, 1898 [map]. | 1998 | See State Library Catalog | ||
| Plat book of Johnson County, Illinois | 2007 | 912.773996 H64p2007 | Link to Catalog | Illinois History & Lincoln Coll. [non-circulating] |