There are hundreds of posts on this blog about the role of experts in civil litigation. In many of those cases the experts have been cross-examined and this has not ended well - for them. I have already planned a webinar in November this year Experts in the courts in 2024. I have enough material ...
I think the link to Francis H Wellman’s “Cross-examination” may be a broken link as the site it links to, for me, just says “page not found”.
If it’s the same as “The Art of Cross-examination” by the same author, first published in 1904, it can be found for free via Project Gutenberg, which hosts public-domain books, at the following link:
https://www.gutenberg.org/ebooks/40781