I highly recommend Wikimedia commons, which contains a lot of original color photographs that are also categorized fairly well. https://commons.wikimedia.org/w

I highly recommend Wikimedia commons, which contains a lot of original color photographs that are also categorized fairly well. https://commons.wikimedia.org/wiki/Category:World_War_II_color_photographs https://commons.wikimedia.org/wiki/Category:World_War_II_col...