Submissions from 1923
Humboldt County Directory 1923, Western Directory Co.
Submissions from 1916
Eureka City and Humboldt County Directory 1916, Polk-Husted Directory Co.
Submissions from 1913
Eureka City and Humboldt County Directory 1913, The Polk-Husted Directory Co.
Submissions from 1912
Eureka City and Humboldt County Directory 1912, Polk-Husted Directory Co.
Submissions from 1907
Eureka City and Humboldt County Directory 1907-8, Polk-Husted Directory Co.
Submissions from 1904
Eureka City Directory 1904, The Herald Printing Co.
Submissions from 1903
Humboldt County Directory 1903, Lampson & Buckley Co