Schimmelman, Janice G. <br/><br/>
American Photographic Patents 1840-1880: the Daguerreotype & Wet Plate Era 

 - Nevada City, NV  Carl Mautz Publishing  2002 
<br/><br/><label>ISBN: </label>1-887694-20-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography<br/>Genealogy