In the January/February 2011 issue of The Artist’s Magazine, Andrew Ameral explains the proportions one can use to check their drawing when working from the figure. Here is Ameral’s complete listing, which had to be abridged for the magazine. <br />
Ideal proportions based on the human body Art Print by Cesare di Lorenzo Cesariano - Fine Art America
Drawing the Human Head , Face, and Body in the Correct Proportions : Body and Face Drawing lessons & tutorials & illustration techniques
Human Figure Proportions - Anatomy Master Class
How to draw the human figure - Drawing Male Proportions
The Vitruvian Man of Leonardo da Vinci as a Representation of an Operational Approach to Knowledge
The proportions of the human figure (The Vitruvian Man), 1492 - Leonardo da Vinci
Human Proportions Drawing - Learn to Create a Human Anatomy Drawing
Body Proportions Tutorial by crazy-fae on DeviantArt
Face Proportions: PROFILE VIEW by =FOERVRAENGD on deviantART