| The Japanese power elite A Rothacher Springer, 2016 | 89 | 2016 |
| Corporate cultures and global brands A Rothacher | 65 | 2004 |
| Economic diplomacy between the European Community and Japan, 1959-1981 A Rothacher (No Title), 1983 | 62 | 1983 |
| Japan’s Agro-Food Sector: The Politics and Economics of Excess Protection A Rothacher Springer, 1989 | 30 | 1989 |
| Allying with an evil axis? The ambivalent role of the Shanghai Cooperation Organisation in Central Asia A Rothacher The RUSI Journal 153 (1), 68-73, 2008 | 22 | 2008 |
| Die Rückkehr der Samurai: Japans Wirtschaft nach der Krise A Rothacher Springer, 2007 | 17 | 2007 |
| Political corruption in Japan A Rothacher Corruption in contemporary politics, 106-119, 2003 | 16 | 2003 |
| After the banquet: Japan’s power elite revisited A Rothacher Asia Europe Journal 4 (3), 399-416, 2006 | 11 | 2006 |
| 2000–2010: Shaping a common future in the decade of Japan–Europe cooperation–rhetoric and policies A Rothacher EU-Japan Relations, 1970-2012, 170-183, 2013 | 10* | 2013 |
| Germany and Japan as Newly Declining Countries (NDCs) A Rothacher Asia Europe Journal 3 (4), 551-560, 2005 | 10 | 2005 |
| Die Zukunft Europas im Lichte der Agenda 2000 SG Echevarria, E Guth, F Heinemann, KD Henke, B Milbrandt, A Henze, ... Nomos-Verlag-Ges., 2000 | 10 | 2000 |
| Uniting Europe: Journey Between Gloom and Glory A Rothacher World Scientific, 2005 | 8 | 2005 |
| Yakuza. The socioeconomic roles of organized crime in Japan A Rothacher Internationales Asienforum 24 (1-2), 111-121, 1993 | 7 | 1993 |
| Clashes and dialogues of civilizations revisited—the case of contemporary East Asia and Europe A Rothacher Asia Europe Journal 6 (1), 129-143, 2008 | 4 | 2008 |
| 15 years after. Lessons of German unification and East European transformation for Korea A Rothacher Asia Europe Journal 3 (2), 199-207, 2005 | 4 | 2005 |
| Japan's pork import market and the" Nagoya connection" A Rothacher East Asian Inst., Free University of Berlin, 1992 | 4 | 1992 |
| Putinomics: How the Kremlin Damages the Russian Economy A Rothacher Springer Nature, 2021 | 3 | 2021 |
| 1990–1995: The politics of cooperation J Keck EU-Japan Relations, 1970-2012, 111-130, 2013 | 3* | 2013 |
| Comparative transformation. Experiences in East Europe and prospects in East Asia A Rothacher Asia Europe Journal 3 (1), 79-94, 2005 | 3 | 2005 |
| Des Kaisers neue Kleider? Zur aktuellen Situation regionaler Kooperation in Asien A Rothacher Internationales Asienforum 35 (1-2), 133-154, 2004 | 3 | 2004 |
