This is an open access title distributed under the terms of the prevailing CC-BY-NC License at the time of publication, which permits any non-commercial use, distribution, and reproduction in any medium, provided no alterations are made and the original author(s) and source are credited. Cover illustration: Reconstruction by H. Mylius of building VI, interpreted as a granary, on the Köln-Müngersdorf villa (extracted from F. Fremersdorf, Der römische Gutshof Köln-Müngersdorf, Berlin, 1933, Taf. 13).The Library of Congress Cataloging-in-Publication Data is available online at http://catalog.loc.govLC record available at http://lccn.loc.gov/Typeface for the Latin, Greek, and Cyrillic scripts: “Brill”. See and download: brill.com/brill-typeface.issn 2213-9729isbn 978-90-04-38903-8 (hardback)isbn 978-90-04-38904-5 (e-book)Copyright 2019 by the Editors and the Authors.Koninklijke Brill NV incorporates the imprints Brill, Brill Hes & De Graaf, Brill Nijhoff, Brill Rodopi, Brill Sense, Hotei Publishing, mentis Verlag, Verlag Ferdinand Schöningh and Wilhelm Fink Verlag.All rights reserved. No part of this publication may be reproduced, translated, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior written permission from the publisher.Authorization to photocopy items for internal or personal use is granted by Koninklijke Brill nv provided that the appropriate fees are paid directly to The Copyright Clearance Center, 222 Rosewood Drive, Suite 910, Danvers, ma 01923, usa. Fees are subject to change.This book is printed on acid-free paper and produced in a sustainable manner.