Huffman, Joseph <br/><br/>
The Imperial City of Cologne: From Roman Colony to Medieval Metropolis (19 B.C.-1125 A.D.) 

 -  Walter de Gruyter  Walter de Gruyter  2018 
<br/><br/><label>ISBN: </label>9789048540242 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History