Cordial Clips offers this easily reproduced, black and white, royalty-free Portrait of Richard M. Nixon, rendered in a realistic style.
This .zip includes 2 .png files:
The first fits and 8.5x11 piece of paper and includes the caption: "Richard M. Nixon, 37th President of the USA" This file could be used as a coloring page or small poster. It has a resolution of 300 dpi - perfect for high quality prints.
The second .png is a version of the same image at 25% of the larger one, without the caption. It could be used on worksheets, in projects, on flash cards, etc. It is also a 300 dpi image.
Suitable for print or web reproduction.
If you think you might use more than one president - download the President Bundle (all 44 Presidents ~ 88 .png files in all) for $10!