to be maturely discussed
1History of calculus — History of science …
2Kohane Tsuyuri — nihongo|Kohane Tsuyuri|五月七日小羽|Tsuyuri Kohane is a fictional character in the Clamp manga xxxHolic. Her first name in kanji is translated as small feathers and her last name literally means May 7th. She is introduced in volume 9 of the manga.… …
