Directory of Overseas Collections of Old and Rare Japanese Books, Other Print Materials, and Manuscripts 在外日本古典籍所蔵機関ディレクトリ: Provides desciptions of the collections, contact information, etc. of the libraries and museums outside of Japan that hold Japanese rare books produced in pre-modern Japan.
Kokubungaku Kenkyū Shiryōkan. Nihon Kotenseki Sōgō Mokuroku Dētabēsu 日本古典籍総合目録データベース: A union catalog of pre-modern Japanse rare books held by Japanese libraries and selected overseas libraries that is provided by National Institute of Japanese Literature (NIJL). NIJL offers a separate Shin Nihon Kotenseki Sōgō Dētabēsu 新日本古典籍総合データベース.
Kōnitsuki-ban Ōshū Shozai Nihon Kosho Sōgō Mokuroku (Kokubungaku Kenkyū Shiryōkan) コーニツキー版欧州所在古書総合目録 (国立国文学研究資料館): A union catalog of pre-modern Japanse rare books held by libraries in Europe
Here is a list of links to useful resources availble on Internet in historical bibliographies:
Here is a list of links to useful digital projects with images of Japanese illustrated books from the Edo period: