where can i find

hi all,

i am a begginer of 3d world.
i want to do some 3d human character models (real & cartoon).
where can i find/get the images or drawings with front, side and back views of face and body. I searched some tutorials but find very few and not satisfactory.
if u can send me some drawing or photos with these profiles I am very thank ful to u. or u can even suggest me a website where i can download them.

thank u