| Heinz Rölleke / Tilo Medek: | Das große Buch der Volkslieder [The great book of folk songs] (Kiepenheuer & Witsch, Köln, 1993) |
| Georg Scherer: | Die schönsten Deutschen Volkslieder mit ihren eigenthümlichen Singweisen [The most beautiful German folk songs and their typical styles] [1863] (Opera-Verlag, Wiesbaden, 1976) |
| Hartmann Goertz / Gerlinde Haid: | Die schönsten Lieder Österreichs [Austria’s most beautiful songs] (Ueberreuter, Wien – Heidelberg, 1979) |
| Ludwig Erk: | Erk's Deutscher Liederschatz [Erk’s treausure of German songs] (C. F. Peters, Leipzig, 1928) |
| Wolfgang Suppan: | Volkslied [Folk song] (Metzler, Stuttgart, 1978) |
| Genkichi Nakasone: | Die Einführung der westlichen, besonders deutschen Musik im Japan der Meiji-Zeit [The introduction of Western, particularly German, music during the Meiji era in Japan] (Lit-Verlag, Münster – Hamburg – London, 2003) |
| Die Musik in Geschichte und Gegenwart [Music in history and present] (Bärenreiter, Kassel,1994 – 2008) | |
| Brockhaus-Enzyklopädie (F. A. Brockhaus, Mannheim, 1987 – 1996) | |
| Rihei Nakamura: | Yôgakudônyusha no kiseki [Stages of Western music’s conveyors in Japan] (Tôsui Shobô, 2000) |
| Keizô Horiuchi / Takeshi Inoue: | Nihonshôkashû [Japan’s songbook] (Iwanami Shoten, 2005) |
| Hiroshi Yasuda: | "Shôka" to iu kiseki, Jûni no monogatari [The miracle of singing – 12 stories] (Bungeishunjû, 2003) |
| Josef Kreiner: | Ôkon no tokugawa-japan, Siebold oyako no mita nihon [Dawning of Tokugawa – observations of Siebold sr. and jr. in Japan] (NHK publishers, 1998) |
| Michio Miyazaki: | Siebold to sakoku-kaikokunihon [Siebold and Japan’s isolation as well as opening] (Shibunkakushuppan, 1997) |
| "sekaino rekishi" henshû-iinkai: | Môichido yomu yamakawasekaishi [“Yamakawa World History” – read once again] (Yamakawa Shuppansha, 2009) |