File:World War II Guard Pillbox, Robben Island (01).jpg - Wikipedia
Lanikai Pillbox Hike - Breathtaking Views - Know Before You Go
Pillbox Myths #1: All Pillboxes Are Listed | Chris Kolonko-Weet
Maili Pillbox Hike: Best Sunset on O'ahu | Where We Went Next
Maili Pillbox Hike: Best Sunset on O'ahu | Where We Went Next
The 3 Best Pill Boxes of 2023 | Reviews by Wirecutter
Downloads | The Pillbox Study Group Website.
Maili Pillbox Ewa Beach, HI 96706 - Last Updated August 2023 - Yelp
Hiking the ʻEhukai Pillbox Trail on Oʻahu — noahawaii
The Lanikai Pillboxes Hike - Kailua, HI | UnrealHawaii.com
Hiking the ʻAikahi Pillbox (Kalāheo Hills) Trail on Oʻahu — noahawaii
Pillbox (military) - Wikipedia
UK Pillbox, Pillboxes, Bunkers, Anti-tank traps and other Anti-Invasion Defences built in World War 2
The Woolwich WW2 pillbox
Brilliant new use for old World War Two pillboxes built to keep the Nazis out - Staffordshire Live
A World War Two pillbox in a field on the North Norfolk coast at Weybourne, Norfolk, England, United Kingdom, Europe Stock Photo - Alamy
Pink Pillbox Hike On Oahu Hawaii: Maili Pillbox (Puu O Hulu)
PU'U O HULU
WW2 Pillbox Bunkers in Everton (Near Lymington) + Photos
tnf463 - Norfolk Heritage Explorer
Lanikai Pillbox Hike - Breathtaking Views - Know Before You Go
The story behind the WWII shelters scattered across Norfolk's coast - Norfolk Live
Current state of my WWII defences map. Added a good bit since I last posted this. If you know of any more pillboxes please let me know. Link to map in comments. :