www.gasmasks.net Probably the biggest gas mask collection in the world.
www.maski.poszukiwania.pl An other great website which has some of the rarer masks made by Polish Company Faser.
http://bialystok.bsk.vectranet.pl/~aurbanski/index1.html Yet another fantastic gas mask website from Poland, with english translations
www.geocities.com/arch_stanton_be A selection of black and white photos of gas masks from the First and Second World Wars.
www.gasmasklexikon.com An easy to use website with pictures of many differant gas masks and many black and white photos.
www.nbcd.org.uk The latest version of the popular website GAS GAS GAS.
www.studiogum.com/Boris%20Page/Boris.Start.01.htm An other easy to use website with some of the strangest gas masks ever.
http://www.gasmaska.stranky1.cz/uvodni-stranka/ Yet another fantastic collection of gas masks and manuals
