2009: Urban and regional planning, heritage and tourism in the department of Vaucluse (Avignon)
2007: Cultural landscape, nature conservation and urban planning in the department of Manche/ Normandy (Cherbourg-Octeville, St.-Lô, Coutances, Mont-St.-Michel)
2005: Urban planning, management of natural risks and cultural heritage in the Gard (Anduze, Alès, Usèz, Pont du Gard)
2003: Urban planning, tourism and nature conservation in the Jura (Poligny, Dôle, Les Rousses)
1995: Tourism, nature conservation and urban development in the department of Charente-Maritime (La Rochelle, Rochefort, Ré Island, Marennes, La Palmyre, Migron)
1993: Planning, development and environmental protection in Brittany (Rennes, St. Brieuc, Lamballe, St.-Gilles-du-Mené)
1991: Spatial development, protected areas, agriculture and tourism in the Gascony region (Landes de Gascogne Nature Park, Bassin d'Arcachon, La Salie, Pyrenees National Park)
1989: Urban and regional planning in the Burgundy region (Dijon, St. Leger, Morvan Nature Park) 1987: Regional development policy, urban development policy, tourism, environmental protection (Tours, Vendôme, Limoges, Cap d'Agde)
1985: Metropolitan planning versus spatial development in the province (Paris, Blois, La Brenne region, Tours, Rennes, Brest)
1983: Recent trends in French regional policy (Tours, St. Nazaire, Cérizay, Marais Poitevin Nature Park, Richelieu)
1981: Issues of regional policy and environmental planning in France (Grenoble, Aix-en-Provence, Montpellier, Tours)
1979: Comparative Spatial and Development Planning Federal Republic of Germany/France (Aix-en-Provence)
1977: Problems of Urban and Regional Planning in Southern France (Vinon sur Verdon, Marseille, Carmargue, La Grande-Motte, Cevennes National Park)
2012: Regional development, nature conservation and urban planning in the Neckar-Alb region (Baden-Württemberg)
2010: Regional development, nature conservation and urban planning in Central and Southwest Thuringia (Erfurt, Weimar, Suhl, Bad Langnsalza)
2008: Regional development, urban planning and tourism in Lübeck and Ostholstein (Lübeck, Eutin, Fehmarn Island, Timmendorfer Strand, Plön)
2006: Urban planning, cultural heritage and nature conservation in Anhalt (Dessau, Wörlitz, Wittenberg)
2004: Nature conservation, tourism and urban planning in the Euregio Aachen - Maastricht - Liège (Aachen, Schleiden, Herzogenrath, Maastricht)
2002: Regional and environmental planning, cross-border planning in the Middle Upper Rhine region (Karlsruhe, Gaggenau, Rastatt)
2000: Regional planning, cross-border planning and tourism in south-eastern Upper Bavaria (Berchtesgaden, Bad Reichenhall, Salzburg, Königssee)
1998: Regional planning, coastal protection and environmental protection in Western Pomerania (Greifswald, Wolgast, Usedom)
1996: Urban and regional planning, tourism and nature conservation in the Constance area (Lake Constance) (Constance, Mainau Island, Sipplingen, Wollmatinger Ried)
1994: Effects of Rhenish opencast lignite mining on regional planning, nature conservation and municipal planning (Viersen, Maas-Schwalm-Nette Nature Park, Garzweiler I opencast mine, Cologne, Mönchengladbach, Düsseldorf)
1992: Development problems in the border region of the Middle Upper Rhine/Southern Palatinate/Lower Alsace (Karlsruhe, Landau, Rastatt, Haguenau, Gernsbach)
1990: Wadden Sea National Park, Schleswig-Holstein - Nature Conservation and Regional Development (Husum, Nordstrand, Wyk auf Föhr, Lübeck)
1988: Agricultural planning in Middle Franconia (Ansbach, Gunzenhausen, Weißenburg, Dinkelsbühl)
1986: Resource-oriented development planning in Lower Saxony, North Rhine-Westphalia and Hesse (Hanover, Holzminden, Höxter, Paderborn, Kassel)
1984: Problem-oriented spatial planning in peripheral areas (Hanover, Neustadt am Rübenberge, Wolfsburg, Gifhorn, Salzgitter)
1982: Spatial, development and environmental planning in the Federal Republic of Germany using the examples of Hamburg and Lower Saxony (Hamburg, Lüneburger Heide, Hanover, Wunstorf, Garbsen)
1978: Regional and state planning in Hamburg and Lower Saxony (Hamburg, Stade, Hanover, Neustadt am Rübenberge, Garbsen, Seelze)