The multiple-precision arithmetic section of mine is easily found by looking at the colour on the edge of those pages. There is no better treatment of this subject out there.
On page 189 of Volume 2 (Third edition) there are two paragraphs discussing previous literature, including bibliographies. I do recall prior to the publication of Vol 2 that there were numerous ACM articles discussing this topic.
But Knuth's exposition is certainly comprehensive compared to anything else.
