| Joe Russ & David Evans have commenced suit against Calif. RW company | Daily Times Telephone | MF 10 | 4/10/1886 | 3 | 1 | Suit | | Joe Russ, David Evans, Calif Redwood Company |
| Joe Russ & David Evans vs. Central Trust company | Not Known | | 4/30/1908 | 3 | 1 | Superior Court | | Superior Court, "Joe Russ & David Vs. Central Trust Company Of New York" |
| Joe Russ & David Evans vs. Central Trust company | Daily Times Telephone | MF 10 | 4/24/1886 | 3 | 2 | Suit | | Joe Russ, David Evans, Central Trust Company Of New York |
| Joe Webster building new hotel | Humboldt Times | MF 10 | 8/17/1918 | 2 | | Notes | | Joe Webster, Crew Of Carpenter, New Hotel |
| Joel Flat oil drilling | Humboldt Times | MF 10 | 9/6/1953 | 19 | | Drilling | | Joel Flat, Oil Drilling |
| John Dolboer died | Weekly Humboldt Times | MF 10 | 8/28/1902 | 2 | 1 | Death report | | John Dolboer |
| John Griffith died at 67 years old | The Humboldt Times | MF 10 | 10/4/1939 | 1 | 5 | Death report | | John Griffith |
| John L. Fehely traveling to S.F. from Orleans | The Humboldt Times | MF 10 | 10/29/1907 | 2 | 5 | Travel | Orleans Blue Lake Eureka | John L. Fehely, S.F. , Steamer |
| John Lenz was appointed assistant farm advisor | The Humboldt Times | MF 10 | 6/26/1947 | 3 | 4 | Announcement | | Appointment, Farm |
| John M. Hines visited Eureka first time since he left in 1866 | The Humboldt Times | MF 10 | 8/10/1916 | 3 | 2 | Travel | Eureka | John M. Hines, Visited |
| John T. Norgaard of the state bureau of sanitary engineering told Eureka CC that they must build a modern sewage treatment | The Humboldt Times | MF 10 | 11/19/1946 | 3 | 3 | Article | | Sanitary, Pollution, Sewage |
| John T. Young wrote corrections on same history statements made by ? Wright | Daily Humboldt Times | MF 10 | 6/4/1878 | 3 | 2 | Corrections | Eureka | Eureka History, John T. Young |
| John Vance's new Locomotive | Daily Times | MF 10 | 6/13/1883 | 3 | 2 | New Locomotive | Mad river mill | Mad River Mill, John Vance |
| John Vonce plans extend his Mad River railroad | Daily Times | MF 10 | 3/2/1883 | 3 | 2 | Railroad work | Mad River Chandler's Mill | Mad River Railroad, John Vonce, Chardler'S Mill |
| John Winzler & Flora Teresa Pinsehi | Humboldt Times | MF 10 | 11/6/1951 | 5 | | Married | Reno | Married |
| Johnnie Skirts home caught on fire and was destroyed | Humboldt Times | MF 10 | 2/17/1951 | 2 | 7 | Home fire | Stone Lagoon | Johnnie Skirts, Fire, Home, Destroyed |
| Jolly Giant mill in full swing | Weekly Times | MF 10 | 6/14/1880 | 1 | | Mill in full open | | Jolly Giant, James Gannon Had Claim |
| Jolly Giant mill started up, Lick House built in 1853 | Weekly Times | MF 10 | 5/29/1880 | 1 | | New mill, New house | Eureka | Eureka, Jolly Giant, Lick House |
| Julius Hoove ensign to U.S navy | Humboldt Times | MF 10 | 10/4/1942 | 3 | | Local News | | Julius Hoove |
| K.B. McCarthy auto plant going to be dedicated | Humboldt Times | MF 10 | 12/16/1949 | 27 | | New auto plant | | K.B. Mccarthy, Auto Plant, Dedicated |
| Katie Jackson of Trinidad - died. | Humboldt Times | MF 10 | 8/16/1942 | 2 | 2 | Death notice | Trinidad | Death, Humboldt, County |
| Kendall and DeVoy state will begin running daily stages | Daily Humboldt Times | MF 10 | 4/6/1878 | 3 | 1 | Travel | Eureka Arcata | Kendoll, Devoy, Daily Stages |
| Kenneth C. Kilburn died yesterday morning at Eureka Hospital | Humboldt Times | MF 10 | 8/17/1963 | 11 | | Death report | Eureka | Kenneth C. Kilburn, Eureka Hospital |
| KIEM will move to their new bldg. at 6th and E. | The Humboldt Times | MF 10 | 6/1/1947 | 4 | bottom half of page | Announcement | Eureka | Radio, Office, Announcement |
| Klamath | Humboldt Times | MF 10 | 8/10/1926 | 2 | | Land | Klamath | Klamath Entrance |
| Klamath Bridge work | Humboldt Times | MF 10 | 8/5/1924 | 2 | 6 | Bridge work | Klamath Regua | Klamath Bridge |
| Klamath Flood Notes. | Humboldt Times | MF 10 | 1/17/1956 | 9 | | Flood | Klamath | Flooding, Water, Levels, Buildings |
| Klamath opening | Humboldt Times | MF 10 | 8/13/1926 | 7 | | Channel opening | Klamath River | Klamath, Cannel |
| Klamath Permits Granted | The Humboldt Standard | MF 9 | 7/18/1924 | 1 | | Dams | Klamath River | Klamath, 3 Power Dams, A.P. Seybold Interests, Electric Metals Company Of S.F. |
| Klamath River | Humboldt Times | MF 10 | 6/29/1930 | 18,19 | | Report | Klamath River | Klamath River, Report On Interferes On Fishing |
| Klamath River bar has closed up | Humboldt Times | MF 10 | 8/22/1909 | 1 | 3 | Klamath River | Klamath River bar | Klamath River, Cannery, Power Boat Katata |
| Klamath River Bridge | Humboldt Times | MF 10 | 8/13/1926 | 4 | | Editorial | Klamath River | Klamath River, Bidge |
| Klamath River Bridge closed | Humboldt Times | MF 10 | 8/21/1926 | 1,3 | | Bridge closed | Klamath River | Klamath River, Bidge, Closed |
| Klamath River Conserv. Comm. put legisl. on stopping commercial fishing & canning ops on Klamath | Humboldt Times | MF 10 | 10/26/1929 | 2 | 1 | Land use | Klamath River Big Lagoon | Klamath River Conserv. Comm, Commercial Fishing & Canning , Waterfowl Refuge |
| Klamath River Conservation committee saying commercial fishing closed and cannery as well | Humboldt Times | MF 10 | 10/26/1929 | 2 | 1 | River use | Klamath River | Klamath River Conservation Committee, Cannery |
| Klamath River Report Filed | Humboldt Times | MF 10 | 6/27/1930 | 1 | | Article | Klamath River | Klamath River, Report On Interferes On Fishing |
| Knights of Blue Gorters | The Humboldt Times (Morning Paper) | MF 10 | 7/10/1909 | 5 | 1,2,3 | Work camp | | Knights Of Blue Gorters |
| Korbel Bros. made satisfactory arrangements for there railroad | Daily Times | MF 10 | 4/6/1883 | 3 | 1 | Railroad work | Mad river Skeedaddle | Skeedaddle, Korbel Bros. |
| Korbel Bros. Railroad running as far up river as Skedaddle | Daily Times | MF 10 | 6/30/1883 | 3 | 2 | Railroad | Skedaddle Mad River | Korbel Bros. Railroad, North Fork Mill |
| Korbel Bros. went to North fork Mad river yesterday | Daily Times | MF 10 | 4/4/1883 | 3 | 1 | Survey | Mad river | Korbel Bros. |
| Korbel Mill | Humboldt Times | MF 10 | 9/15/1942 | 3 | | Article | Arcata | Korbel Mill, Rr |
| Korbel replaced with new building construction by Fred Maurer | Humboldt Times | MF 10 | 6/15/1924 | 22 | 3 | New building | Korbel | Korbel, Fred Maurer |
| KRED Insert Page 3 | The Humboldt Times | MF 10 | 5/6/1948 | 3 | | Industry | Humboldt County | Radio, Photo |
| KRED Insert Page 5 | The Humboldt Times | MF 10 | 5/6/1948 | 5 | | Industry | Humboldt County | Radio, History |
| L.A. gets first power from Boulder Dam | Humboldt Times | MF 10 | 10/10/1936 | 1 | | New power | L.A. Boulder Dam | Boulder Dam, L.A. Power |
| L.B. Poyfaire reported that 273 houses were built in 1947 in Eureka. | The Humboldt Times | MF 10 | 12/31/1947 | 1 | 3 | Construction | Eureka | Housing, Construction |
| L.E. Trabing house burned to the ground | Humboldt Times | MF 10 | 7/7/1938 | 3 | 4 | Fire | East Branch of Eel | L.E. Trabing House, Fire |
| L.M. Helmke's store burned | Humboldt Times | MF 10 | 7/18/1920 | 7 | 2 | Fire | Alderpoint | Alderpoint, L.M. Helmke Store |
| La Mone Coll of Eureka gave a talk on ship building to the Rotary | The Humboldt Times | MF 10 | 9/23/1947 | 3 | 4 | Construction | Fields Landing | Ship Building, Talk, Construction |
| Lafayette Swope died | The Humboldt Times | MF 10 | 9/10/1907 | 1 | 6 - 7 | Death report | Fields Landing Eureka Scotia | Lafayette Swope, Died |