Template:Kent
Kent, Matthew W., Harbor Defenses of San Francisco - A Field Guide 1890 to 1950, Copyright 2009, Blurb, ISBN 978-1-61584-163-9
Kent, Matthew W., Harbor Defenses of San Francisco - A Field Guide 1890 to 1950, Copyright 2009, Blurb, ISBN 978-1-61584-163-9