Y-kō hyakunenshi.
Contributors: Yokohama Shiritsu Yokohama Shōgyō Kōtō Gakkō.
Publisher: Y-kō Hyakunenshi Henshū Iinkai, Yokohama Shiritsu Yokohama Shōgyō Kōtō Gakkō nai
Published: 1982
Place of publication: Yokohama
Language: jpn
Subjects: Yokohama Shiritsu Yokohama Shōgyō Kōtō Gakkō -- History.
Other titles: Y-kō 100-nenshi.
Notes: Colophon title.