Use of photographs?

I am a junior in highschool and am doing a research paper on Vietnam 
photographs and the effect that this photography had on the 
Anti-War movements.  I was wondering if it would be alright 
for me to print your photographs to include them in my history
research paper as I find some of them quite intriguing and 
with great impact.  Please respond as soon as possible.  
Thank you, and wonderful work!
	Sincerely, Tori Martin