Humphrey, S. D.    1823-1883 <br/><br/>
American Hand Book of the Daguerreotype    [electronic resource] / 
S. D. Humphrey 
 -  Project Gutenberg,  1994 
 - Project Gutenberg    167 .
<br/><br/> Public domain in the USA. 
<br/><br/>Text 
<br/><br/><label>Subjects--Index Terms: </label>Photography Daguerreotype 
<br/><br/><label>LC Class. No.: </label>TR