The Humboldt County Genealogy Society have several past county newspapers available on microfilm.  They are as follows:

Bode Bugle
  January, 1909 -- June, 1911, June, 1911 --December, 1913 -- January 1914 -- June, 1916, July -- 1916 -- December, 1918 --December, 1918 -- 1919 -- June, 1921 -- December 1923
Gilmore Enterprise
  14, July, 1921 -- 23 August, 1923 -- 23 January, 1930 -- 10 November, 1932 -- 17 November, 1032 -- 26 December, 1935
Renwick Times
  28 October, 1915 -- 31 December, 1917 -- 1 January, 1918 -- 24 June, 1920 -- 1 June, 1920 -- 22 February, 1923 -- 1 March, 1923 -- 1 October, 1925 -- 8 October, 1925 -- 31 May, 1928 -- 7 June, 1928 --  22 January, 1931 -- 29 January 1931 -- 14 September 1933 -- 21 September, 26 March, 1936 -- 28 August, -- 1941 -- 4 September 1941 -- 4 May, 1944--11 May, 1944 -- 30 December 1948 -- 6 January 1949 -- 25 June, 1952
Livermore Gazette
  30 April, 1931 -- 28 December, 1933 -- 11 January, 1934 -- 1 October 1936 -- 8 October 1936 -- 17 August 1939 -- 24 August, 1939 -- 16 April, 1942 -- 23 April, 1942 -- 21 December, 1944
   
Some newspapers have issues missing The Humboldt County Independent has been kept up to date.
 
In addition the Livermore Library has most copies of the Gazette, beginning in 1882, available on microfilm.
 

New-Renwick News
Free search of Renwick newspapers:
Renwick Times 1884 – 1966
Renwick News 1966 - 1971