| Date | Volume | Issue | Author | Title | Description |
| 1999 | 43 | 1 | From the Editor | ||
| 1999 | 43 | 1 | Merle W. Wells | Leonard James Arrington, July 2, 1917-February 11, 1999 | Memorial essay detailing Arrington's life and work as an Idaho historian |
| 1999 | 43 | 1 | J. A. Chamberlin | On the Trail of Lewis and Clark: Just Looking | Personal account of a 1930s aerial survey to chart possible routes for a new highway in north central Idaho |
| 1999 | 43 | 1 | Thomas R. Cox | Charles A. Geyer, Pioneer Botanist of Upper Oregon | History of the German botanist who traveled throughout the Inland Northwest during the 1840s, including Fort Hall, St. Mary's Mission, and Coeur d 'Alene |
| 1999 | 43 | 2 | From the Editor: The Pages They're A-changin' | Addresses a redesign of Idaho Yesterdays | |
| 1999 | 43 | 2 | Terry Abraham | "'Hold on there, mister!' coolly directed Hank"; or, The Wilds of Idaho in the Dime Novels of Yesteryear | The Idaho wilderness was a common setting for these c. 1900 publications, describing plant and animal life, as well as frontier towns filled with wild miners and cowboys. |
| 1999 | 43 | 2 | Charles R. Knowles | On the Trail of Lewis and Clark: Lewis and Clark's Guide Old Toby | Summarizes the contributions of Lemhi Shoshone guide, Toby, who led the Corps through the Salmon River region of Idaho |
| 1999 | 43 | 2 | Merle W. Wells | Pioneer Portrait: Toby's Contribution to Lewis and Clark | The Lemhi Shoshone guide's impact on the Lewis and Clark expedition |
| 1999 | 43 | 2 | Leonard J. Arrington | "Doing to Learn": Idaho Future Farmers in the 1930's | Personal memories of the Future Farmers of America student club at University of Idaho. |
| 1999 | 43 | 3 | From the Editor: Cooperation and Serendipity | Addresses how the departments of the Idaho State Historical Society work together | |
| 1999 | 43 | 3 | George Venn | Singing the Silver Valley Cannonball | Personal essay on the importance of local songs and music to express community culture across Idaho |
| 1999 | 43 | 3 | Wallace G. Lewis | On the Trail of Lewis and Clark: Building the Lewis-Clark Highway | Outlines the construction history of US Highway 12 from Lewiston to Lolo Pass with cooperating national and state entities. |
| 1999 | 43 | 3 | Susan M. Stacy | The Naval Proving Ground | Story of the Arco Naval Proving Ground and community to support war efforts in the 1940s |
| 2000 | 43 | 4 | From the Editor: "The Good Story" | Reader's response to "Singing the Silver Valley Cannonball" story | |
| 2000 | 43 | 4 | James P. Ronda | Lewis and Clark: Stuff That's Gone | Historian's wish to see original expedition artifacts: 1) the keelboat, 2) the war axes made by the forge at Fort Mandan, 3) William Clark's umbrella, 4) Sacagawea's Christmas gift to William Clark, and 5) the Hidatsa map of the Missouri River |
| 2000 | 43 | 4 | Hugh Lovin | Yellowstone National Park, Jackson Hole, and the Idaho Irrigation Frontier | Explains historical conflict between conservationists and irrigation proponents over use of water for industrial purposes in the Snake River basin |
| 2000 | 43 | 4 | J.G. Camp | Parks- and Homes in Snake River Valley | Originally published in 1920, an opinion piece about challenge of development in the Snake River basin with limited water supplies |
| 2000 | 43 | 4 | Those Were the Days | Select photos of 1920s Boise from the Sigler photograph collection | |
| 2000 | 43 | 4 | Book Reviews |