When I find an old-format broken Ancestry link to a record collection, I have some luck guessing how to find the collection from the "db=" code in the link. For instance, "db=agbi" points to the American Genealogical-Biographical Index, and the current reference number in the link will still match the number used in the current URL that Ancestry uses for their AGBI database. But some codes are not so easy to figure out, and I don't want to waste a lot of time trying. Has someone compiled a master list of these? For instance, I'm staring at the link: http://trees.ancestry.com/rd?f=sse&db=genealogy-glh07479465&h=107&ti=0&indiv=try&gss=pt I found a few Google hits that seem to indicate this is how Ancestry codes individual compiled family histories and maybe local histories. But I haven't yet figured out how to find the one with code 07479465 (update: see below). P.S. The Wikitree help page about this: https://www.wikitree.com/wiki/Help:GEDCOM-Created_Biographies
talks about this a little at the very bottom, but the links at the bottom don't actually go to anything. IMO that bottom section could use an update. PPS: for the link I gave above, I believe I have determined that the current link is this: https://www.ancestry.com/imageviewer/collections/10110/images/dvm_PrimSrc000162-00055-1?ssrc=&backlabel=Return&pId=107&rcstate=dvm_PrimSrc000162-00055-1%3A46%2C752%2C153%2C784%3B365%2C757%2C473%2C788%3B218%2C824%2C328%2C853%3B46%2C922%2C128%2C953%3B165%2C922%2C269%2C955%3B155%2C988%2C260%2C1021%3B159%2C1056%2C262%2C1087%3B183%2C1124%2C286%2C1154 And the "pld=107" in this link above matches the "h=107" in the link above. But I have no idea how to tell that code 07479465 in the old link corresponds to this modern link.
One way is this...
Take the old db code ( db=genealogy-glh07479465 )
Put https://www.ancestry.com/search/collections/ on the start to get this link:
https://www.ancestry.com/search/collections/genealogy-glh07479465
Put that in the URL bar of your browser and it will redirect to the new collection number, with the URL changing to:
https://www.ancestry.com/search/collections/10110/