selves busy.</p>
        
        <p>The field—how wide is it? Get out your map of the world. The field for <em>making</em> photographs extends from the top margin to the bottom, and from the left to the right. The field for <em>selling</em> photographs—which is more to the point—extends over about five thousand publications which use prints; not to speak of a few score of other markets.</p>
        
        <p>The markets may be classified briefly:</p>
        <ol>
            <li>Newspapers</li>
   