These might just be dissertations or bound volumes of old journals. Textbooks often have some cover art whereas a lot of these don’t.

There’s a lot of old paper that gets very rarely consulted.

Agreed. I also like their cover of Where’s My Mind.

• Compare plugin worked better on N++
• It worked a little better with enormous files with long lines
• Highlighting multiple search results in a selectable color

I just wish I could tell my browser to forget about it (Firefox for Android).