The 1917 Prairie Farmers Directory of LaSalle County contains valuable information about each farm, a Breeder's Directory providing a full classified list of breeders of purebred livestock and poultry, and a Business Directory listing statistics and general information of all business houses in LaSalle County.
Abbreviations Used in this Directory:
| a | = | Acres |
| T | = | Tenant or Renter |
| Ch | = | Children |
| R | = | Rural Route |
| O | = | Owner |
| Sec | = | Section |
| (nee) | = | Maiden name in parentheses |
| Figures at end of information | = | Year person became a resident of LaSalle county |
| Name of farm | follows names of children in quotation marks | |
| In case of a tenant, farm owner's name | follows the figures giving size of farm |
| Lee | DeKalb | Kane |
| Bureau |
 |
Kendall |
| Putnam | Grundy | |
| Marshall | Woodford | Livingston |
