Downtown San Diego looking west from 18th and Market Street — Calisphere
Life in 1915: Celebrating 105 Years In San Diego
File:History of San Diego, 1542-1907; an account of the rise and progress of the pioneer settlement on the Pacific coast of the United States (1908) (14577742068).jpg - Wikimedia Commons
History Port of San Diego
History Rancho Bernardo Historical Society
Forgotten San Diego - (postcard History) By David Marshall & Eileen Magno (paperback) : Target
San Diego Historic Photos
San Diego: Where California Began - San Diego History Center, San Diego, CA
Complete Guide Old Town San Diego State Historic Park
Life in Early New Town – Gaslamp Quarter Historical Foundation
Tour Archives - San Diego History Center, San Diego, CA
San Diego History Center - Balboa Park
Historic Places with Elsa Sevilla: California's History, The Best of SDHP, Season 4
Headquarters History – Junior League of San Diego
The San Diego History Center – L'CHAIM MAGAZINE