| Orick Bob laid to rest | Humboldt Times | MF 10 | 8/16/1951 | 4 | | Burials | | Burial |
| Orick Inn, Store and Post office | Humboldt Times | MF 10 | 7/6/1918 | 1 | | Fire | | Fire, Orick Inn, Store |
| Orick School attends | Humboldt Times | MF 10 | 12/14/1955 | 13 | | School numbers | Orick | Orick School, Attends |
| Orick, service station | Humboldt Times | MF 10 | 9/20/1927 | 11 | 6 | Places | Orick | Orick |
| Original Charter has been seen in several issues | The Humboldt Times | MF 10 | 10/24/1911 | 5 - 9 | | Legal Notice | Eureka | Original Charter, Eureka |
| Orleans Bar | Humboldt Times | MF 10 | 6/7/1953 | 15 | | History | Orleans Bar | Orleans Bar |
| Outline to further study of Trinity River Diversion Plan | Humboldt Times | MF 10 | 1/13/1951 | 1 | 8 | Meeting | Trinity River | Study, Trinity River Diversion Plan |
| Over a million BF of timber is being shipped a month from the Coast RW Co. | The Humboldt Times | MF 10 | 12/21/1947 | 14 | 4+5 | Industry | Klamath Fairhaven | Dock, Shipping, Plant, Industry |
| Overland Auto Company made money | Humboldt Times | MF 10 | 10/23/1909 | 1 | 5 | Money | | Overland Auto Company |
| Overland car price, Reo Series G sedan price | Humboldt Times | MF 10 | 9/20/1925 | 17 | | Price | | Overland Car |
| Owners in gulch on D street between 8th and Grant city a r/w condition city drain property | Humboldt Times | MF 10 | 8/18/1909 | 8 | 1 | Road work | | Property Owners, D Street |
| Owners of the 131 ac. of Devoy land have agreed to lease it w/ option to buy it | Humboldt Times | MF 10 | 3/15/1929 | 1 | 7 | Land agreement | | Land, Lease, Agreement |
| Oysters will be planted on Mud flats | Humboldt Times | MF 10 | 5/4/1909 | 5 | 7 | Wildlife | Arcata | Arcata, Mud Flats, Oysters |
| P. W. Mathews quitclaim | Blue Lake Advocate | MF 2191 | 6/10/1916 | 8 | 4 | Big Lagoon land sale | Big Lagoon | P. W. Mathews, Lumber Company, Litigation, Redwoods |
| P.W. Matthews transfer land to Lagoon Lumber Company | The Humboldt Times | MF 10 | 6/8/1916 | 6 | 1 | Land transfer | Big Lagoon | P.W. Matthews, Lagoon Lumber Company |
| Pace of logging will be active this season | Daily Times | MF 10 | 3/10/1883 | 3 | 1 | Active logging season | | Active Logging Season, Dolbeer |
| Pacific Lumber Company has cleared redwood all way to Bryan's Bluff | The Humboldt Times | MF 10 | 10/20/1907 | 1 | 5 - 7 | Redwood clearing | Bryan's Bluff Shively | Pacific Lumber Company, Nwp Railroad, Choppers |
| Padgett & Kelly awarded contract for bridge | Humboldt Times | MF 10 | 6/14/1922 | 12 | 1 | Contract | South Fork Eel Miranda | Miranda, Padgett & Kelly, Contract, Bridge |
| Padgett and Kelly have completed a bridge over the South Fk. Eel. | The Humboldt Times | MF 10 | 10/9/1919 | 6 | 1 | Construction | Garberville | Construction, Bridge |
| Page Ad for land auction at Big Lagoon Park on Labor Day | Humboldt Times | MF 10 | 8/22/1962 | 15 | | Ad | Big Lagoon Park | Big Lagoon Park, Land Auction, Labor Day |
| Page describing what two men found in the gap between Longvale and South Fork | Humboldt Times | MF 10 | 4/27/1913 | 7 | | Whole page | Longvale South Fork | Gap, Longvale, John M. Devoy |
| Page on Caltrans local office | Humboldt Times | MF 10 | 4/17/1949 | 12 | | Page | | Caltrans, Local Office |
| Page on founding Eureka | Humboldt Times | MF 10 | 5/14/1950 | 5 | | Land use | Eureka | Eureka Founding |
| Page on South Fork community | Humboldt Times | MF 10 | 9/10/1957 | 16 | | Whole page | South Fork | Community, South Fork, Article |
| Panama Canal opened on Jan. 1, 1915 | The Humboldt Times | MF 10 | 9/7/1939 | 4 | 2 | Opening | Panama Canal | Opened, Panama Canal |
| Papers of incorp. filed for Warren Creek Railroad Company | Morning Daily Humboldt Times | MF 10 | 6/22/1910 | 5 | 7 | Legal Notice | Warren Creek | Papers, Incorp, Warren Creek, Granite Quarry |
| Parcel at 6th and K | Humboldt Times | MF 10 | 7/13/1956 | 1 | 2 | Property | Eureka? | Property, Boy'S Club, City Council |
| Park improvements Arcata | Humboldt Times | MF 10 | 10/20/1962 | 2 | | History summary | Arcata | Park Improvements |
| Parks | Humboldt Times | MF 10 | 8/27/1939 | 1 | 1 | Infrastructure | Freshwater Park | Freshwater Park, Public Spaces, Land Development |
| Parks | Humboldt Times | MF 10 | 9/15/1931 | 1 | 4,5 | Infrastructure | Bull Creek Scotia | Bull Creek Redwoods State Park |
| Parks | Humboldt Times | MF 10 | 9/15/1931 | 3 | 4,5,6 | Infrastructure | Bull Creek Scotia | Dedication |
| Parks | Humboldt Times | MF 10 | 8/27/1939 | 1 | 1 | Infrastructure | Freshwater Park | Freshwater Park, Public Spaces, Land Development |
| Part of new bridge over Little River completed | The Humboldt Times | MF 10 | 6/19/1916 | 4 | 3 | Bridge work | Little River | New Bridge, Thomas Engelhart, Lord - Ellis Road |
| Part of rock mountain at Trinidad quarry dynamited | Humboldt Times | MF 10 | 6/19/1924 | 3 | 2 | Land use | Trinidad | Trinidad Quarry, Jetties, Dynamited |
| Part of the Elk River dam removed | Humboldt Times | MF 10 | 11/16/1949 | 3 | | Dam removal | Elk River | Elk River, Dam, Removed |
| Parties subpoenaed to appear before U.S. Distr. Court | Daily Times Telephone | MF 10 | 4/1/1886 | 3 | 1 | Parties subpoenaed | | U.S. Distr. Court, Humboldt Sailed |
| Party of 10 people picnicking | Humboldt Times | MF 10 | 8/7/1909 | 7 | 7 | Picnic | Big Lagoon | Big Lagoon, Picnic |
| Party spent day at Big Lagoon | Humboldt Times | MF 10 | 9/21/1928 | 9 | 4 | Travel | Big Lagoon | Mr. & Mrs. Ted Kohenberger, Mr. & Mrs. Austin |
| Passengers on the Humboldt | Daily Times Telephone | MF 10 | 4/1/1886 | 3 | 2 | Passengers | | Passengers On Humboldt |
| Past week one third of flow going into the Humboldt Bay via Mad River Slough | Daily Humboldt Times | MF 10 | 1/22/1909 | 1 | 2 | Flow rates | Mad River Vance Landing Grisseth Ranch | Flow, Mad River Slough, Large Break, Dyke, Grisseth Ranch, Humboldt Bay |
| Patients Moved into new room at hospital | Humboldt Times | MF 10 | 8/17/1948 | 2 | | Patients | Arcata Trinity St. Hospital | Arcata Trinity St. Hospital |
| Patrick Quinn of Table Bluff sold 20 acres to U.S. GOV. | Humboldt Times | MF 10 | 7/25/1909 | 1 | 5 | Land sale | Table Bluff Hookton | Table Bluff, Patrick Quinn, Us Gov., Bia , Indians, Hookton |
| Paul | Humboldt Times | MF 10 | 4/10/1949 | 17 | | Person | Willow Creek New River Orleans | Paul, Arcata Store |
| Paul A. Brizard of Arcata died | Humboldt Times | MF 10 | 10/16/1957 | 18 | 6 & 7 | Death report | Arcata | Died, Paul A. Brizard |
| Paul Grazoli died. | The Humboldt Times | MF 10 | 11/2/1947 | 5 | 3 | Death notice | Stone Lagoon | Death, Little Red Hen, |
| Paul Mudgett of Fortuna was elected president of the Big Lagoon Progressive Association | The Humboldt Times | MF 10 | 2/14/1947 | 2 | 3 | Meeting Notes | Fortuna Big Lagoon | Meeting, Progressive Association |
| Pavement conditions in Eureka | Humboldt Times | MF 10 | 10/20/1904 | 4 | 4 | Pavement conditions | Eureka | Bitumen Pavement, Blocks |
| Paving Broadway | Humboldt Times | MF 10 | 9/22/1917 | 1 | 6&7 | State Highway | Broadway to 4th Ryan Slough drawbridge Clark St. | City Council, Resolution, Engineers, Grading, Paving, Road, State Highway |
| Paving completed from Arcata to Mad River | Humboldt Times | MF 10 | 7/31/1926 | 9 | | Road work | Arcata Mad River | Arcata, Road Paving, New Approach Bridge |
| Paving has commenced on 101 between Eureka and Arcata | Humboldt Times | MF 10 | 8/22/1924 | 12 | 2 or 3 | Road work | Eureka Arcata | Paving 101, Commenced |
