Links

City of El Cajon

El Cajon Library

Olaf Wieghorst Museum in El Cajon

California Historical Society

Lakeside Historical Society

La Mesa Historical Society

Lemon Grove Historical Society

San Diego History Center

Santee Historical Society

San Diego County Library

Cajon Valley Union School District

Grossmont Union High School District

Alpine Historical Society

 

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El Cajon Historical Society Homepage - Knox House Museum