Bonanza (1968); "Ponderosa Kill" by Dean Owen (1968); "The Pioneer Spirit" by Stephen Calder (1988); "The Ponderosa Empire" by Stephen Calder (1991); "Bonanza: The High Steel Hazard" by Stephen Calder (1993); "Journey of the Horse" by Stephen Calder (1993); "The Money Hole" by Stephen Calder (1993); "The Trail to Timberline" by Stephen Calder (1994); "Bonanza: Felling of the Sons" by Monette L. Bebow-Reinhard (2005), and "Bonanza: Mystic Fire" by Monette L. Bebow-Reinhard (2009). There is also a collection of Bonanza stories: "The Best of Bonanza World: A Book of Favorite Stories," published by CreateSpace Independent Publishing Platform (2012). "Bonanza Gold" (2003–2009),
Movie ranch evenly split between movies and television episodes, were filmed at the ranch during its peak years. The long-running TV western "The Virginian" filmed on location at Iverson in the ranch's later period, as did "Bonanza" and "Gunsmoke." By the 1960s, the ownership of the ranch was split between two of Karl and Augusta's sons, with Joe Iverson, an African safari hunter married to Iva Iverson, owning the southern half of the ranch (the Lower Iverson) and Aaron Iverson, a farmer married to Bessie Iverson, owning the northern half (the Upper Iverson). In the mid-1960s the state of California began construction