Topical connections
Sakura Tsukuba on Wikipedia
External resources
- http://www.hakusensha.co.jp/comicate/comi_no54/fresh/talk.html
- http://www.hakusensha.co.jp/comicate/comi_no66/tsukuba/index.html
- http://www.hakusensha.co.jp/mangaq9902/10_tukuba/index.html