Japanese Text Initiative
Here's a great library about Japanese texts from Man'yôshû till the end of the Edo era. From 芭蕉 (Bashô) to 漱石 (Sōseki), 源氏物語 (Genji monogatari) and other stories, you'll find a broad selection of texts.
UVa Library Etext Center: Japanese Text Initiative
UVa Library Etext Center: Japanese Text Initiative