Books about Kougaku:
Wakamono-yo Kougaku Seminar no Kamo ni Naruna Dokusyo no Susume (Japanese Edition) by Ogawa Taisho and GK Hensyubu (Jan 15, 2014)
KOUGAKU KURODA: Takeshi Kuroda First Light Works I (Japanese text) by KOUGAKU KURODA (1984)
Wakamono-yo Kougaku Seminar no Kamo ni Naruna Dokusyo no Susume (Japanese Edition) by Ogawa Taisho and GK Hensyubu (Jan 15, 2014)
KOUGAKU KURODA: Takeshi Kuroda First Light Works I (Japanese text) by KOUGAKU KURODA (1984)