| Title | Author |
|---|---|
| James, Verda | Wyoming Legislative Service Office |
| Jane, Calamity | Rebecca Hein |
| Jenkins, Edna Richards and Thomas, murder of, 1911 | Rebecca Hein |
| Jenkins, Theresa, Women’s Suffrage orator and activist | MaryJo Birt |
| Jensen, Henry, oral history | Dana Van Burgh |
| Jewish Farm Families of Huntley, Wyoming | Carl V. Hallberg |
| Jim Gatchell Memorial Museum | |
| John Taggart Hinckley Library at Northwest College | |
| Johnson County Library | |
| Johnson County War | John W. Davis |