Its strength lies in the depth and comprehensiveness of the links he has documented. Established in 1966, it is regularly supplemented with new material, and when I visited recently it had been updated only a few days before. That is, composed of plain text with hyperlinks and no trimmings or pointless graphics. The structure is simple too.
Access is via a huge entry page full of listings which are divided on chronological principles.
When using a huge and eclectic compilation of this kind, you have to be reasonably tolerant. The other inherent weakness is that search facilities are not always available, so users have to be imaginative in following leads or jumping to a different bibliographic starting-point. But Mister Matsuoka is kind to his visitors. He provides login and passwords where these are necessary. If you are a teacher or a student of English Literature, this is definitely a site to add to your bookmarks.