Iida donated his notebooks and cassette tapes of many interviews related to the song. Some of it is displayed here.

File information
Filename:	im227-20210131_1038.jpg
Album name:	philbert / Imazu 今津町
Keywords:	shiga / takashima / imazu / lake / biwa / rowing / song / museum
Filesize:	27 KiB
Date added:	Jan 12, 2022
Dimensions:	450 x 600 pixels
Displayed:	25 times
URL:	https://photoguide.jp/pix/displayimage.php?pid=73968
Favorites:	Remove from Favorites

On the lower shelf are books about the song by Iida and others.