Gerhard, Peter <br/><br/>
Emperors' dye of the mixtecs :  indians tap a snail's Tyrian purple 

<br/><br/> <Donation Engel> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Textile<br/>Teinture<br/>Faune mollusque<br/>Purpura patula
<br/><br/><label>Subjects--Index Terms: </label>Mexique  Oaxaca