I'm not sure if this is useful or not, but I ran the above PDF through tesseract/OCR so here is a searchable version. 1965-Catalog-Crystal-Cross-Reference-Lists-Searchable.pdf There are a couple of caveats. First, OCR is never 100% accurate (but this document is pretty clean, so it seems to have processed it quite well). Second, I only tried searching on my Linux laptop, so someone with Window$ will need to check that it works on that platform too.  To search, press <CTRL+F>